Yamaguchi, Satoshi
Matsushita, Taku
Izuta, Shin
Katada, Sumika
Ura, Manami
Ikeda, Taro
Hayashi, Gosuke
Suzuki, Yuta
Kobayashi, Koya
Tokunaga, Kyoya
Ozeki, Yasuyuki
Okamoto, Akimitsu
Article History
Received: 9 June 2016
Accepted: 14 December 2016
First Online: 24 January 2017
Competing interests
: The authors declare no competing financial interests.