Haruma, Jun
Teshigawara, Kiyoshi
Hishikawa, Tomohito
Wang, Dengli
Liu, Keyue
Wake, Hidenori
Mori, Shuji
Takahashi, Hideo Kohka
Sugiu, Kenji
Date, Isao
Nishibori, Masahiro
Article History
Received: 18 July 2016
Accepted: 31 October 2016
First Online: 24 November 2016
Competing interests
: The authors declare no competing financial interests.