Takane, Daichi
Nakayama, Kosuke
Souma, Seigo
Wada, Taichi
Okamoto, Yoshihiko
Takenaka, Koshi
Yamakawa, Youichi
Yamakage, Ai
Mitsuhashi, Taichi
Horiba, Koji
Kumigashira, Hiroshi
Takahashi, Takashi
Sato, Takafumi
Article History
Received: 3 August 2017
Revised: 29 November 2017
Accepted: 8 December 2017
First Online: 9 January 2018
Competing interests
: The authors declare no competing financial interests.