Totani, Takahiro
Nishiuchi, Yukiko
Tateishi, Yoshitaka
Yoshida, Yutaka
Kitanaka, Hiromi
Niki, Mamiko
Kaneko, Yukihiro
Matsumoto, Sohkichi
Article History
Received: 26 April 2016
Accepted: 28 December 2016
First Online: 3 February 2017
Competing interests
: The authors declare no competing financial interests.