Eguchi, Yoko
Okajima, Toshihide
Tochio, Naoya
Inukai, Yoichi
Shimizu, Riko
Ueda, Shuhei
Shinya, Shoko
Kigawa, Takanori
Fukamizo, Tamo
Igarashi, Masayuki
Utsumi, Ryutaro
Article History
Received: 1 September 2016
Revised: 29 September 2016
Accepted: 21 November 2016
First Online: 21 December 2016
Competing interests
: The authors declare no conflict of interest.
Free to read: This content has been made available to all.