Yan, Yi
Tsukamoto, Osamu
Nakano, Atsushi
Kato, Hisakazu
Kioka, Hidetaka
Ito, Noriaki
Higo, Shuichiro
Yamazaki, Satoru
Shintani, Yasunori
Matsuoka, Ken
Liao, Yulin
Asanuma, Hiroshi
Asakura, Masanori
Takafuji, Kazuaki
Minamino, Tetsuo
Asano, Yoshihiro
Kitakaze, Masafumi
Takashima, Seiji
Article History
Received: 16 July 2014
Accepted: 12 December 2014
First Online: 30 January 2015
Competing interests
: The authors declare no competing financial interests.