Ohuchi, Tomohiro
Lei, Xinglin
Ohfuji, Hiroaki
Higo, Yuji
Tange, Yoshinori
Sakai, Takeshi
Fujino, Kiyoshi
Irifune, Tetsuo
Article History
Received: 1 May 2017
Accepted: 20 July 2017
First Online: 28 August 2017
Competing interests
: The authors declare no competing financial interests.