Okai, Shinsaku
Usui, Fumihito
Yokota, Shuhei
Hori-i, Yusaku
Hasegawa, Makoto
Nakamura, Toshinobu http://orcid.org/0000-0003-3881-3368
Kurosawa, Manabu
Okada, Seiji
Yamamoto, Kazuya
Nishiyama, Eri
Mori, Hiroshi
Yamada, Takuji
Kurokawa, Ken http://orcid.org/0000-0001-8662-9958
Matsumoto, Satoshi
Nanno, Masanobu
Naito, Tomoaki
Watanabe, Yohei
Kato, Tamotsu
Miyauchi, Eiji
Ohno, Hiroshi http://orcid.org/0000-0001-8776-9661
Shinkura, Reiko
Article History
Received: 5 February 2016
Accepted: 31 May 2016
First Online: 4 July 2016
Competing interests
: The authors declare no competing financial interests.