Osako, Yusaku
Seki, Naohiko
Koshizuka, Keiichi
Okato, Atsushi
Idichi, Tetsuya
Arai, Takayuki
Omoto, Itaru
Sasaki, Ken
Uchikado, Yasuto
Kita, Yoshiaki
Kurahara, Hiroshi
Maemura, Kosei
Natsugoe, Shoji
Article History
Received: 7 May 2017
Revised: 19 May 2017
Accepted: 21 May 2017
First Online: 29 June 2017
Competing interests
: The authors declare no conflict of interest.
Free to read: This content has been made available to all.