Naka, Izumi
Furusawa, Takuro
Kimura, Ryosuke
Natsuhara, Kazumi
Yamauchi, Taro
Nakazawa, Minato
Ataka, Yuji
Ishida, Takafumi
Inaoka, Tsukasa
Matsumura, Yasuhiro
Ohtsuka, Ryutaro
Ohashi, Jun
Article History
Received: 18 January 2017
Revised: 2 March 2017
Accepted: 18 March 2017
First Online: 13 April 2017
Competing interests
: The authors declare no conflict of interest.
Free to read: This content has been made available to all.