Watari, Kosuke
Shibata, Tomohiro
Nabeshima, Hiroshi
Shinoda, Ai
Fukunaga, Yuichi
Kawahara, Akihiko
Karasuyama, Kazuyuki
Fukushi, Jun-ichi
Iwamoto, Yukihide
Kuwano, Michihiko
Ono, Mayumi
Article History
Received: 24 September 2015
Accepted: 14 December 2015
First Online: 18 January 2016
Competing interests
: The authors declare no competing financial interests.