Akiyama, Toshihiro
Inoko, Akihito
Kaji, Yuichi
Yonemura, Shigenobu
Kakiguchi, Kisa
Segawa, Hiroki
Ishitsuka, Kei
Yoshida, Masaki
Numata, Osamu
Leproux, Philippe
Couderc, Vincent
Oshika, Tetsuro
Kano, Hideaki
Article History
Received: 29 July 2016
Accepted: 30 November 2016
First Online: 6 January 2017
Competing interests
: The authors declare no competing financial interests.