Iimori, Makoto
Watanabe, Sugiko
Kiyonari, Shinichi
Matsuoka, Kazuaki
Sakasai, Ryo
Saeki, Hiroshi
Oki, Eiji
Kitao, Hiroyuki
Maehara, Yoshihiko
Article History
Received: 23 December 2015
Accepted: 22 February 2016
First Online: 31 March 2016
Competing interests
: M.I. and H.K. are staff members of an endowed course at Kyushu University funded by a donation from Taiho Pharmaceutical Co. The other remaining authors declare no competing financial interest.