Takano, Tetsushi
Takamoto, Masao
Ushijima, Ichiro
Ohmae, Noriaki
Akatsuka, Tomoya
Yamaguchi, Atsushi
Kuroishi, Yuki
Munekane, Hiroshi
Miyahara, Basara
Katori, Hidetoshi
Article History
Received: 10 March 2016
Accepted: 11 July 2016
First Online: 15 August 2016
Competing interests
: The authors declare no competing financial interests.