Furukawa, Sachiko
Moriyama, Masafumi
Miyake, Kensuke
Nakashima, Hitoshi
Tanaka, Akihiko
Maehara, Takashi
Iizuka-Koga, Mana
Tsuboi, Hiroto
Hayashida, Jun-Nosuke
Ishiguro, Noriko
Yamauchi, Masaki
Sumida, Takayuki
Nakamura, Seiji
Article History
Received: 11 August 2016
Accepted: 10 January 2017
First Online: 13 February 2017
Competing interests
: The authors declare no competing financial interests.