Igarashi, Masayuki
Sawa, Ryuichi
Yamasaki, Manabu
Hayashi, Chigusa
Umekita, Maya
Hatano, Masaki
Fujiwara, Toshinobu
Mizumoto, Kiyohisa
Nomoto, Akio
Article History
Received: 14 October 2016
Revised: 16 November 2016
Accepted: 24 November 2016
First Online: 11 January 2017
Competing interests
: The authors declare no conflict of interest.
Free to read: This content has been made available to all.