Masaki, Yukiko
Shimizu, Yoichi
Yoshioka, Takeshi
Tanaka, Yukari
Nishijima, Ken-ichi
Zhao, Songji
Higashino, Kenichi
Sakamoto, Shingo
Numata, Yoshito
Yamaguchi, Yoshitaka
Tamaki, Nagara
Kuge, Yuji
Article History
Received: 21 July 2015
Accepted: 20 October 2015
First Online: 19 November 2015
Competing interests
: Prof. Yuji Kuge has grant support from Shionogi & Co., Ltd. The other authors declare no competing financial interests.