Shimada, Hiroshi
Abe, Shyuetsu
Kohno, Takayuki
Satohisa, Seiro
Konno, Takumi
Takahashi, Syunta
Hatakeyama, Tsubasa
Arimoto, Chihiro
Kakuki, Takuya
Kaneko, Yakuto
Takano, Ken-ichi
Saito, Tsuyoshi
Kojima, Takashi
Article History
Received: 20 June 2016
Accepted: 24 October 2016
First Online: 10 January 2017
Competing interests
: The authors declare no competing financial interests.