Nakashima, Takuji
Miyano, Rei
Iwatsuki, Masato
Shirahata, Tatsuya
Kimura, Toru
Asami, Yukihiro
Kobayashi, Yoshinori
Shiomi, Kazuro
Petersson, George A
Takahashi, Yōko
Ōmura, Satoshi
Article History
Received: 10 October 2015
Revised: 29 November 2015
Accepted: 5 December 2015
First Online: 13 January 2016
Competing interests
: The authors declare no conflict of interest.
Free to read: This content has been made available to all.