creator	Yamane, Takashi; Yokoyama, Akihito; Kitahara, Yoshihiro; Miyamoto, Shintaro; Haruta, Yoshinori; Hattori, Noboru; Yamane, Kiminori; Hara, Hitoshi; Kohno, Nobuoki;
journal title	BMJ Open
volume	Volume 3
date of issued	2013-02-20