List of works - Muhammad K. Javaid

1q24 deletion syndrome. Two cases and new insights into genotype-phenotype correlations

scientific article published on 06 August 2018

25-Hydroxy- and 1α,25-Dihydroxycholecalciferol Have Greater Potencies than 25-Hydroxy- and 1α,25-Dihydroxyergocalciferol in Modulating Cultured Human and Mouse Osteoblast Activities.

scientific article

A longitudinal study of normal fetal femur volume.

scientific article published on 23 August 2013

A systematic review assessing the effectiveness of interventions to improve persistence with anti-resorptive therapy in women at high risk of clinical fracture.

scientific article

An increased rate of falling leads to a rise in fracture risk in postmenopausal women with self-reported osteoarthritis: a prospective multinational cohort study (GLOW)

scientific article published on 23 June 2012

Ankylosing spondylitis is associated with an increased risk of vertebral and nonvertebral clinical fractures: a population-based cohort study.

scientific article published in August 2014

Anti-Osteoporosis Medication Prescriptions and Incidence of Subsequent Fracture Among Primary Hip Fracture Patients in England and Wales: An Interrupted Time-Series Analysis.

scientific article published on 04 July 2016

Are pain and function better measures of outcome than revision rates after TKR in the younger patient?

scientific article published on 4 February 2010

Aromatase inhibitor-induced arthralgia: Is vitamin D deficiency responsible? ⬇️

scientific article published on January 31, 2011

Association of birth weight with osteoporosis and osteoarthritis in adult twins

scientific article published on 01 March 2004

Association of vitamin D status with knee pain and radiographic knee osteoarthritis.

scientific article published on 16 August 2011

Best practice management guidelines for fibrous dysplasia/McCune-Albright syndrome: a consensus statement from the FD/MAS international consortium

scientific article published on 13 June 2019

Bisphosphonate use and risk of post-operative fracture among patients undergoing a total knee replacement for knee osteoarthritis: a propensity score analysis.

scientific article

Body mass index is not a clinically meaningful predictor of patient reported outcomes of primary hip replacement surgery: prospective cohort study

scientific article

Bone and osteoarthritis: what is the relationship?

scientific article published on 01 June 2013

Bone density and body composition in newly licenced professional jockeys.

scientific article published on 13 June 2017

Burden of pelvis fracture: a population-based study of incidence, hospitalisation and mortality.

scientific article published on 4 February 2012

CYP3A4 mutation causes vitamin D-dependent rickets type 3

scientific article published on 03 April 2018

Central sensitisation in knee osteoarthritis: Relating pre-surgical brainstem neuroimaging and PainDETECT based patient stratification to arthroplasty outcome

scientific article published on 06 March 2019

Change in body mass index during middle age affects risk of total knee arthoplasty due to osteoarthritis: a 19-year prospective study of 1003 women.

scientific article

Change in serum measurements of cartilage oligomeric matrix protein and association with the development and worsening of radiographic hip osteoarthritis.

scientific article published on 22 October 2007

Clinical management and pathogenesis of atypical fractures of the femur

scientific article published on 01 March 2017

Clinical tool to identify patients who are most likely to achieve long-term improvement in physical function after total hip arthroplasty

scientific article published on 09 January 2012

Cluster analysis of bone microarchitecture from high resolution peripheral quantitative computed tomography demonstrates two separate phenotypes associated with high fracture risk in men and women

scientific article published on 26 April 2016

Co-expression of DKK-1 and Sclerostin in Subchondral Bone of the Proximal Femoral Heads from Osteoarthritic Hips

scientific article

Commissioning, implementation and delivery of an interface secondary fracture prevention service within the NHS: Lessons learnt from the Oxfordshire Fracture Prevention Service.

scientific article published on 28 March 2015

Comparison of Calcaneal Ultrasound and DXA to Assess the Risk of Corticosteroid-Induced Osteoporosis: A Cross-sectional Study

scientific article published on 01 January 2001

Continued Beneficial Effects of Burosumab in Adults with X-Linked Hypophosphatemia: Results from a 24-Week Treatment Continuation Period After a 24-Week Double-Blind Placebo-Controlled Period

scientific article published on 04 June 2019

Cost-Effectiveness of Orthogeriatric and Fracture Liaison Service Models of Care for Hip Fracture Patients: A Population-Based Study

scientific article

Costs of fragility hip fractures globally: a systematic review and meta-regression analysis

scientific article

Degenerative inter-vertebral disc disease osteochondrosis intervertebralis in Europe: prevalence, geographic variation and radiological correlates in men and women aged 50 and over

scientific article published on 7 April 2017

Determinants of the Maternal 25-Hydroxyvitamin D Response to Vitamin D Supplementation During Pregnancy

scientific article published on 27 October 2016

Development and validation of a clinical prediction model for patient-reported pain and function after primary total knee replacement surgery.

scientific article published on 21 February 2018

Diagnosis and Management of Paget's Disease of Bone in Adults: A Clinical Guideline

scientific article published on 25 February 2019

Differences in glutamate receptors and inflammatory cell numbers are associated with the resolution of pain in human rotator cuff tendinopathy

scientific article published on 10 July 2015

Does obesity predict knee pain over fourteen years in women, independently of radiographic changes?

scientific article published on 01 October 2011

Dynamic Consent: a potential solution to some of the challenges of modern biomedical research.

scientific article

Early (1-year) Discontinuation of Different Anti-osteoporosis Medications Compared: A Population-Based Cohort Study

scientific article published on 23 July 2015

Early life influences on serum 1,25 (OH) vitamin D.

scientific article published in January 2005

Effective secondary fracture prevention: implementation of a global benchmarking of clinical quality using the IOF Capture the Fracture® Best Practice Framework tool

scientific article published on 13 June 2015

Erratum to: Taxonomy of rare genetic metabolic bone disorders.

scientific article

Exercise or manual physiotherapy compared with a single session of physiotherapy for osteoporotic vertebral fracture: three-arm PROVE RCT

scientific article published on 01 August 2019

Fracture rate in patients with myasthenia gravis: the general practice research database.

scientific article published on 25 April 2012

Fracture risk before and after total hip replacement in patients with osteoarthritis: Potential benefits of bisphosphonate use

article

Fusion of 3D ultrasound images of the fetal femur improves boundary definition and volume measurement.

scientific article published on 14 September 2013

GGPS1 Mutation and Atypical Femoral Fractures with Bisphosphonates.

scientific article published in May 2017

Geographic variation in secondary fracture prevention after a hip fracture during 1999-2013: a UK study

scientific article

Gestational vitamin D supplementation leads to reduced perinatal RXRA DNA methylation: Results from the MAVIDOS trial

scientific article published on 15 October 2018

Glucocorticoids induce specific ion-channel-mediated toxicity in human rotator cuff tendon: a mechanism underpinning the ultimately deleterious effect of steroid injection in tendinopathy?

scientific article published on 27 March 2014

Growth in childhood predicts hip fracture risk in later life

scientific article published on 09 April 2010

Health-related quality of life and a cost-utility simulation of adults in the UK with osteogenesis imperfecta, X-linked hypophosphatemia and fibrous dysplasia

scientific article published on 28 November 2016

High plasma levels of vitamin C and E are associated with incident radiographic knee osteoarthritis

scientific article

Hormone replacement therapy and mid-term implant survival following knee or hip arthroplasty for osteoarthritis: a population-based cohort study.

scientific article published on 22 January 2014

Imminent fracture risk assessments in the UK FLS setting: implications and challenges

scientific article published on 02 February 2019

Impact of hip fracture on hospital care costs: a population-based study

scientific article published on 19 August 2015

Improving patient outcomes in fibrous dysplasia/McCune-Albright syndrome: an international multidisciplinary workshop to inform an international partnership.

scientific article published on 27 February 2017

In vitro effects of glutamate and N-methyl-D-aspartate receptor (NMDAR) antagonism on human tendon derived cells.

scientific article published on 3 June 2015

Incidence and Predictors of Multiple Fractures Despite High Adherence to Oral Bisphosphonates: A Binational Population-Based Cohort Study.

scientific article

Incidence and risk factors for clinically diagnosed knee, hip and hand osteoarthritis: influences of age, gender and osteoarthritis affecting other joints.

scientific article published on 06 June 2013

Incident type 2 diabetes and hip fracture risk: a population-based matched cohort study.

scientific article published on 9 December 2014

Inflammatory bowel disease and the risk of fracture

scientific article published on 01 December 2003

Interpretation of patient-reported outcomes for hip and knee replacement surgery: identification of thresholds associated with satisfaction with surgery.

scientific article published in March 2012

Intrauterine growth and postnatal skeletal development: findings from the Southampton Women's Survey.

scientific article published on January 2012

Investigation of the role of feature selection and weighted voting in random forests for 3-D volumetric segmentation.

scientific article published on 2 October 2013

Large-scale meta-analysis of interleukin-1 beta and interleukin-1 receptor antagonist polymorphisms on risk of radiographic hip and knee osteoarthritis and severity of knee osteoarthritis

scientific article published on 10 December 2010

MAVIDOS Maternal Vitamin D Osteoporosis Study: study protocol for a randomized controlled trial. The MAVIDOS Study Group

scientific article

Maternal and Seasonal Predictors of Change in Calcaneal Quantitative Ultrasound during Pregnancy

scientific article published on 28 June 2005

Maternal gestational vitamin D supplementation and offspring bone health (MAVIDOS): a multicentre, double-blind, randomised placebo-controlled trial

scientific article published on March 2016

Maternal predictors of neonatal bone size and geometry: the Southampton Women's Survey.

scientific article published on February 2010

Maternal size in pregnancy and body composition in children

scientific article

Maternal vitamin D status during pregnancy and child outcomes.

scientific article published on 21 February 2007

Maternal vitamin D status during pregnancy and childhood bone mass at age 9 years: a longitudinal study

scientific article

National Osteoporosis Society practical clinical guideline on vitamin D and bone health

scientific article published on 27 November 2014

National Osteoporosis Society vitamin D guideline summary

scientific article published on 28 July 2014

Neuropathic features of joint pain: a community-based study

scientific article published on July 2013

Obesity and the Relative Risk of Knee Replacement Surgery in Patients With Knee Osteoarthritis: A Prospective Cohort Study.

scientific article published on 10 November 2015

Oral Bisphosphonate Use and All-Cause Mortality in Patients With Moderate-Severe (Grade 3B-5D) Chronic Kidney Disease: A Population-Based Cohort Study

scientific article published on 22 January 2020

Osteogenesis imperfecta: Ultrastructural and histological findings on examination of skin revealing novel insights into genotype-phenotype correlation.

scientific article published on 10 February 2016

Parental determinants of neonatal body composition

scientific article

Paternal skeletal size predicts intrauterine bone mineral accrual.

scientific article published on 19 February 2008

Phosphate wasting disorders in adults

scientific article published on 16 July 2018

Physiotherapy Rehabilitation for Osteoporotic Vertebral Fracture (PROVE): study protocol for a randomised controlled trial.

scientific article published on 14 January 2014

Physiotherapy rehabilitation for osteoporotic vertebral fracture-a randomised controlled trial and economic evaluation (PROVE trial)

scientific article published on 12 November 2019

Plasma leptin concentration and change in bone density among elderly men and women: the Hertfordshire Cohort Study.

scientific article published in May 2004

Predictors of fracture while on treatment with oral bisphosphonates: a population-based cohort study.

scientific article published on January 2014

Preschool Obesity Is Associated With an Increased Risk of Childhood Fracture: A Longitudinal Cohort Study of 466,997 Children and Up to 11 Years of Follow-up in Catalonia, Spain

scientific article published on 07 April 2020

Prevalence and Mortality of Individuals With X-Linked Hypophosphatemia: A United Kingdom Real-World Data Analysis

scientific article published on 01 March 2020

Prevalence of reported knee pain over twelve years in a community-based cohort.

scientific article published on 16 December 2011

Real-Life and RCT Participants: Alendronate Users Versus FITs' Trial Eligibility Criterion

scientific article

Relationship between mortality and BMI after fracture: a population-based study of men and women aged ≥40 years.

scientific article published in August 2014

Reporting of vertebral fragility fractures: can radiologists help reduce the number of hip fractures?

scientific article published on 07 August 2017

Response to Antenatal Cholecalciferol Supplementation Is Associated With Common Vitamin D-Related Genetic Variants.

scientific article published in August 2017

Rheumatoid factor testing in Spanish primary care: A population-based cohort study including 4.8 million subjects and almost half a million measurements.

scientific article

Risk of gastrointestinal bleeding in patients undergoing total hip or knee replacement compared with matched controls: a nationwide cohort study.

scientific article published on 30 April 2013

Risk of venous thromboembolism among users of different anti-osteoporosis drugs: a population-based cohort analysis including over 200,000 participants from Spain and the UK.

scientific article published on 3 December 2017

Safety of oral bisphosphonates in moderate-to-severe chronic kidney disease: a bi-national cohort analysis

scientific article published on 29 December 2020

Secondary prevention of fractures after hip fracture: a qualitative study of effective service delivery.

scientific article published on 12 January 2016

Self-reported weight at birth predicts measures of femoral size but not volumetric BMD in eldery men: MrOS.

scientific article published on August 2011

Social inequality and fractures-secular trends in the Danish population: a case-control study

scientific article published on 26 June 2018

Socio-economic status and the risk of developing hand, hip or knee osteoarthritis: a region-wide ecological study.

scientific article published on 26 March 2015

Sphenoidal fontanelle area measurement on rendered three-dimensional ultrasound

scientific article published on 17 April 2012

Subchondral bone marrow lesions are highly associated with, and predict subchondral bone attrition longitudinally: the MOST study.

scientific article

Subchondral cystlike lesions develop longitudinally in areas of bone marrow edema-like lesions in patients with or at risk for knee osteoarthritis: detection with MR imaging--the MOST study

scientific article

Subclinical deformities of the hip are significant predictors of radiographic osteoarthritis and joint replacement in women. A 20 year longitudinal cohort study.

scientific article published on 15 July 2014

Surface area measurement using rendered three-dimensional ultrasound imaging: anin-vitrophantom study

scientific article published on 13 September 2011

Taxonomy of rare genetic metabolic bone disorders.

scientific article published on 13 June 2015

The RUDY study platform - a novel approach to patient driven research in rare musculoskeletal diseases

scientific article

The RUDY study: using digital technologies to enable a research partnership.

scientific article published on 26 April 2017

The administration of intermittent parathyroid hormone affects functional recovery from pertrochanteric fractured neck of femur: a protocol for a prospective mixed method pilot study with randomisation of treatment allocation and blinded assessment

scientific article published on 29 January 2014

The administration of intermittent parathyroid hormone affects functional recovery from trochanteric fractured neck of femur: a randomised prospective mixed method pilot study

scientific article published on June 2016

The association of meniscal damage with joint effusion in persons without radiographic osteoarthritis: the Framingham and MOST osteoarthritis studies.

scientific article

The descriptive epidemiology of rheumatoid arthritis in Catalonia: a retrospective study using routinely collected data

scientific article

The effect of maternal vitamin D concentration on fetal bone.

scientific article

The failing medial compartment in the varus knee and its association with CAM deformity of the hip.

scientific article published on 30 September 2017

The natural history of radiographic knee osteoarthritis: a fourteen-year population-based cohort study.

scientific article

The relationship of bone properties using high resolution peripheral quantitative computed tomography to radiographic components of hip osteoarthritis

scientific article published on 20 March 2017

Treatment of fracture non-union in a young adult with combination anabolic and anti-resorptive bone therapy

scientific article published on 13 December 2012

Umbilical cord leptin predicts neonatal bone mass.

scientific article

Umbilical venous IGF-1 concentration, neonatal bone mass, and body composition.

scientific article

Understanding osteoporosis

scientific article published on 01 March 2008

Unplanned admissions for patients with myeloma in the UK: Low frequency but high costs

scientific article published on 07 June 2019

Up-regulation of Glutamate in Painful Human Supraspinatus Tendon Tears

scientific article published on 28 May 2014

Variations In Good Patient Reported Outcomes After Total Knee Arthroplasty.

scientific article published on 28 February 2015

Vertebral Scheuermann's disease in Europe: prevalence, geographic variation and radiological correlates in men and women aged 50 and over

scientific article

Vitamin D threshold to prevent aromatase inhibitor-induced arthralgia: a prospective cohort study

scientific article published on 28 July 2010

Vitamin D threshold to prevent aromatase inhibitor-related bone loss: the B-ABLE prospective cohort study.

scientific article published on 21 March 2012

Weight in infancy and adult calcium absorption as determinants of bone mineral density in adult men: the Hertfordshire cohort study.

scientific article published on 26 September 2012

What is a good patient reported outcome after total hip replacement?

article

List of works by Muhammad K. Javaid

1q24 deletion syndrome. Two cases and new insights into genotype-phenotype correlations

25-Hydroxy- and 1α,25-Dihydroxycholecalciferol Have Greater Potencies than 25-Hydroxy- and 1α,25-Dihydroxyergocalciferol in Modulating Cultured Human and Mouse Osteoblast Activities.

A longitudinal study of normal fetal femur volume.

A systematic review assessing the effectiveness of interventions to improve persistence with anti-resorptive therapy in women at high risk of clinical fracture.

An increased rate of falling leads to a rise in fracture risk in postmenopausal women with self-reported osteoarthritis: a prospective multinational cohort study (GLOW)

Ankylosing spondylitis is associated with an increased risk of vertebral and nonvertebral clinical fractures: a population-based cohort study.

Anti-Osteoporosis Medication Prescriptions and Incidence of Subsequent Fracture Among Primary Hip Fracture Patients in England and Wales: An Interrupted Time-Series Analysis.

Are pain and function better measures of outcome than revision rates after TKR in the younger patient?

Aromatase inhibitor-induced arthralgia: Is vitamin D deficiency responsible? ⬇️

Association of birth weight with osteoporosis and osteoarthritis in adult twins

Association of vitamin D status with knee pain and radiographic knee osteoarthritis.

Best practice management guidelines for fibrous dysplasia/McCune-Albright syndrome: a consensus statement from the FD/MAS international consortium

Bisphosphonate use and risk of post-operative fracture among patients undergoing a total knee replacement for knee osteoarthritis: a propensity score analysis.

Body mass index is not a clinically meaningful predictor of patient reported outcomes of primary hip replacement surgery: prospective cohort study

Bone and osteoarthritis: what is the relationship?

Bone density and body composition in newly licenced professional jockeys.

Burden of pelvis fracture: a population-based study of incidence, hospitalisation and mortality.

CYP3A4 mutation causes vitamin D-dependent rickets type 3

Central sensitisation in knee osteoarthritis: Relating pre-surgical brainstem neuroimaging and PainDETECT based patient stratification to arthroplasty outcome

Change in body mass index during middle age affects risk of total knee arthoplasty due to osteoarthritis: a 19-year prospective study of 1003 women.

Change in serum measurements of cartilage oligomeric matrix protein and association with the development and worsening of radiographic hip osteoarthritis.

Clinical management and pathogenesis of atypical fractures of the femur

Clinical tool to identify patients who are most likely to achieve long-term improvement in physical function after total hip arthroplasty

Cluster analysis of bone microarchitecture from high resolution peripheral quantitative computed tomography demonstrates two separate phenotypes associated with high fracture risk in men and women

Co-expression of DKK-1 and Sclerostin in Subchondral Bone of the Proximal Femoral Heads from Osteoarthritic Hips

Commissioning, implementation and delivery of an interface secondary fracture prevention service within the NHS: Lessons learnt from the Oxfordshire Fracture Prevention Service.

Comparison of Calcaneal Ultrasound and DXA to Assess the Risk of Corticosteroid-Induced Osteoporosis: A Cross-sectional Study

Continued Beneficial Effects of Burosumab in Adults with X-Linked Hypophosphatemia: Results from a 24-Week Treatment Continuation Period After a 24-Week Double-Blind Placebo-Controlled Period

Cost-Effectiveness of Orthogeriatric and Fracture Liaison Service Models of Care for Hip Fracture Patients: A Population-Based Study

Costs of fragility hip fractures globally: a systematic review and meta-regression analysis

Degenerative inter-vertebral disc disease osteochondrosis intervertebralis in Europe: prevalence, geographic variation and radiological correlates in men and women aged 50 and over

Determinants of the Maternal 25-Hydroxyvitamin D Response to Vitamin D Supplementation During Pregnancy

Development and validation of a clinical prediction model for patient-reported pain and function after primary total knee replacement surgery.

Diagnosis and Management of Paget's Disease of Bone in Adults: A Clinical Guideline

Differences in glutamate receptors and inflammatory cell numbers are associated with the resolution of pain in human rotator cuff tendinopathy

Does obesity predict knee pain over fourteen years in women, independently of radiographic changes?

Dynamic Consent: a potential solution to some of the challenges of modern biomedical research.

Early (1-year) Discontinuation of Different Anti-osteoporosis Medications Compared: A Population-Based Cohort Study

Early life influences on serum 1,25 (OH) vitamin D.

Effective secondary fracture prevention: implementation of a global benchmarking of clinical quality using the IOF Capture the Fracture® Best Practice Framework tool

Erratum to: Taxonomy of rare genetic metabolic bone disorders.

Exercise or manual physiotherapy compared with a single session of physiotherapy for osteoporotic vertebral fracture: three-arm PROVE RCT

Fracture rate in patients with myasthenia gravis: the general practice research database.

Fracture risk before and after total hip replacement in patients with osteoarthritis: Potential benefits of bisphosphonate use

Fusion of 3D ultrasound images of the fetal femur improves boundary definition and volume measurement.

GGPS1 Mutation and Atypical Femoral Fractures with Bisphosphonates.

Geographic variation in secondary fracture prevention after a hip fracture during 1999-2013: a UK study

Gestational vitamin D supplementation leads to reduced perinatal RXRA DNA methylation: Results from the MAVIDOS trial

Glucocorticoids induce specific ion-channel-mediated toxicity in human rotator cuff tendon: a mechanism underpinning the ultimately deleterious effect of steroid injection in tendinopathy?

Growth in childhood predicts hip fracture risk in later life

Health-related quality of life and a cost-utility simulation of adults in the UK with osteogenesis imperfecta, X-linked hypophosphatemia and fibrous dysplasia

High plasma levels of vitamin C and E are associated with incident radiographic knee osteoarthritis

Hormone replacement therapy and mid-term implant survival following knee or hip arthroplasty for osteoarthritis: a population-based cohort study.

Imminent fracture risk assessments in the UK FLS setting: implications and challenges

Impact of hip fracture on hospital care costs: a population-based study

Improving patient outcomes in fibrous dysplasia/McCune-Albright syndrome: an international multidisciplinary workshop to inform an international partnership.

In vitro effects of glutamate and N-methyl-D-aspartate receptor (NMDAR) antagonism on human tendon derived cells.

Incidence and Predictors of Multiple Fractures Despite High Adherence to Oral Bisphosphonates: A Binational Population-Based Cohort Study.

Incidence and risk factors for clinically diagnosed knee, hip and hand osteoarthritis: influences of age, gender and osteoarthritis affecting other joints.

Incident type 2 diabetes and hip fracture risk: a population-based matched cohort study.

Inflammatory bowel disease and the risk of fracture

Interpretation of patient-reported outcomes for hip and knee replacement surgery: identification of thresholds associated with satisfaction with surgery.

Intrauterine growth and postnatal skeletal development: findings from the Southampton Women's Survey.

Investigation of the role of feature selection and weighted voting in random forests for 3-D volumetric segmentation.

Large-scale meta-analysis of interleukin-1 beta and interleukin-1 receptor antagonist polymorphisms on risk of radiographic hip and knee osteoarthritis and severity of knee osteoarthritis

MAVIDOS Maternal Vitamin D Osteoporosis Study: study protocol for a randomized controlled trial. The MAVIDOS Study Group

Maternal and Seasonal Predictors of Change in Calcaneal Quantitative Ultrasound during Pregnancy

Maternal gestational vitamin D supplementation and offspring bone health (MAVIDOS): a multicentre, double-blind, randomised placebo-controlled trial

Maternal predictors of neonatal bone size and geometry: the Southampton Women's Survey.

Maternal size in pregnancy and body composition in children

Maternal vitamin D status during pregnancy and child outcomes.

Maternal vitamin D status during pregnancy and childhood bone mass at age 9 years: a longitudinal study

National Osteoporosis Society practical clinical guideline on vitamin D and bone health

National Osteoporosis Society vitamin D guideline summary

Neuropathic features of joint pain: a community-based study

Obesity and the Relative Risk of Knee Replacement Surgery in Patients With Knee Osteoarthritis: A Prospective Cohort Study.

Oral Bisphosphonate Use and All-Cause Mortality in Patients With Moderate-Severe (Grade 3B-5D) Chronic Kidney Disease: A Population-Based Cohort Study

Osteogenesis imperfecta: Ultrastructural and histological findings on examination of skin revealing novel insights into genotype-phenotype correlation.

Parental determinants of neonatal body composition