Oshima, Tsukasa
Hara, Hironori
Takeda, Norifumi
Hasumi, Eriko
Kuroda, Yukiko
Taniguchi, Go
Inuzuka, Ryo
Nawata, Kan
Morita, Hiroyuki
Komuro, Issei
Article History
Received: 24 December 2016
Revised: 7 March 2017
Accepted: 18 April 2017
First Online: 1 June 2017
Competing interests
: The authors declare no conflict of interest.