Maeda, Keiko
Enomoto, Atsushi
Hara, Akitoshi
Asai, Naoya
Kobayashi, Takeshi
Horinouchi, Asuka
Maruyama, Shoichi
Ishikawa, Yuichi
Nishiyama, Takahiro
Kiyoi, Hitoshi
Kato, Takuya
Ando, Kenju
Weng, Liang
Mii, Shinji
Asai, Masato
Mizutani, Yasuyuki
Watanabe, Osamu
Hirooka, Yoshiki
Goto, Hidemi
Takahashi, Masahide
Article History
Received: 13 July 2015
Accepted: 11 February 2016
First Online: 29 February 2016
Competing interests
: The authors declare no competing financial interests.