scientific article published on April 2017
author: Shin-Ya Nishio, Tatsuo Matsunaga, Shin-Ichi Usami, Atsushi Matsubara, Takaaki Murata, Yasushi Naito, Tetsuya Tono, Tetsuo Ikezono, Satoshi Fukuda, Akira Hara, Naohito Hato, Kazunori Nishizaki, Kaoru Ogawa, Hajime Sano, Michihiko Sone, Hideo Shojaku, Tatsuya Yamasoba, Seiji Kakehata, Mikio Suzuki, Hidehiko Takeda