Inokoshi, Junji
Nakamura, Yuichiro
Komada, Saori
Komatsu, Katsuichiro
Umeyama, Hideaki
Tomoda, Hiroshi
Article History
Received: 15 April 2015
Revised: 9 February 2016
Accepted: 17 February 2016
First Online: 6 April 2016
Competing interests
: The authors declare no conflict of interest.
Free to read: This content has been made available to all.