Yamamura, Kazuhiko
Uruno, Takehito
Shiraishi, Akira
Tanaka, Yoshihiko
Ushijima, Miho
Nakahara, Takeshi
Watanabe, Mayuki
Kido-Nakahara, Makiko
Tsuge, Ikuya
Furue, Masutaka
Fukui, Yoshinori
Article History
Received: 20 April 2016
Accepted: 16 November 2016
First Online: 9 January 2017
Competing interests
: The authors declare no competing financial interests.