Mizuno, Manami
Miyazawa, Ken
Tabuchi, Masako
Tanaka, Miyuki
Yoshizako, Mamoru
Minamoto, Chisato
Torii, Yasuyoshi
Tamaoka, Yusuke
Kawatani, Makoto
Osada, Hiroyuki
Maeda, Hatsuhiko
Goto, Shigemi
Article History
Received: 21 July 2015
Accepted: 14 October 2015
First Online: 12 November 2015
Competing interests
: The authors declare no competing financial interests.