Masuda, Masatoshi
Okuda, Kayo
Ikeda, Daisuke D
Hishigaki, Haretsugu
Fujiwara, Tsutomu
Article History
Received: 24 December 2014
Revised: 26 April 2015
Accepted: 4 May 2015
First Online: 2 July 2015
Competing interests
: The authors are employees of Otsuka Pharmaceuticals.