Asakawa, Tomohiro
Kawabe, Yusuke
Yoshida, Atsushi
Aihara, Yoshiyuki
Manabe, Tamiko
Hirose, Yoshitsugu
Sakurada, Asuka
Inai, Makoto
Hamashima, Yoshitaka
Furuta, Takumi
Wakimoto, Toshiyuki
Kan, Toshiyuki
Article History
Received: 8 December 2015
Revised: 26 January 2016
Accepted: 26 January 2016
First Online: 24 February 2016
Competing interests
: The authors declare no conflict of interest.
Free to read: This content has been made available to all.