Yoshitomi, Munetake
Ohta, Keisuke
Kanazawa, Tomonoshin
Togo, Akinobu
Hirashima, Shingo
Uemura, Kei-ichiro
Okayama, Satoko
Morioka, Motohiro
Nakamura, Kei-ichiro
Article History
Received: 1 July 2016
Accepted: 11 October 2016
First Online: 31 October 2016
Competing interests
: The authors declare no competing financial interests.