Tashiro, Syoichi
Nishimura, Soraya
Iwai, Hiroki
Sugai, Keiko
Zhang, Liang
Shinozaki, Munehisa
Iwanami, Akio
Toyama, Yoshiaki
Liu, Meigen
Okano, Hideyuki
Nakamura, Masaya
Article History
Received: 1 March 2016
Accepted: 10 July 2016
First Online: 3 August 2016
Competing interests
: The authors declare the following potential conflicts of interest with respect to the research, authorship, and/or publication of this article: H. Okano is a scientific consultant for SanBio Co., Ltd (Japan), Eisai Co., Ltd (Japan) and Daiichi Sankyo Co., Ltd (Japan). The remaining authors report no conflicts of interest.