Yamauchi, Akira
Shirai, Aya
Kawabe, Kazunari
Iwamoto, Tadashi
Wakiya, Takeshi
Nishiyama, Hiroki
Inagi, Shinsuke
Tomita, Ikuyoshi
Article History
Received: 11 May 2016
Revised: 14 June 2016
Accepted: 15 June 2016
First Online: 9 September 2016
Competing interests
: The authors declare no conflict of interest.