Kitao, Hiroyuki
Morodomi, Yosuke
Niimi, Shinichiro
Kiniwa, Mamoru
Shigeno, Kazuhiko
Matsuoka, Kazuaki
Kataoka, Yuki
Iimori, Makoto
Tokunaga, Eriko
Saeki, Hiroshi
Oki, Eiji
Maehara, Yoshihiko
Article History
Received: 24 November 2015
Accepted: 14 April 2016
First Online: 3 May 2016
Competing interests
: S.N., M.K., K.S., K.M. and Y.K. are employees of Taiho Pharmaceutical Co. Ltd. H.K. and M.I. are staffs of an endowed course at Kyushu University funded by a donation from Taiho Pharmaceutical Co. Ltd.