scientific article
author: Leena Peltonen-Palotie, Marjo-Riitta Järvelin, Marika Kaakinen, Anneli Pouta, Anna-Liisa Hartikainen, Ulla Sovio, Jari Haukka, Nicholas J. Timpson, Elisabeth Widen, John Whittaker, Paul F. O'Reilly, Amanda J Bennett, Paul Elliott, Mark McCarthy, Ioanna Tzoulaki, Iona Y. Millwood, Jaana Laitinen, Nelson A. Freimer