Hayashi, Ryuhei
Ishikawa, Yuki
Sasamoto, Yuzuru
Katori, Ryosuke
Nomura, Naoki
Ichikawa, Tatsuya
Araki, Saori
Soma, Takeshi
Kawasaki, Satoshi
Sekiguchi, Kiyotoshi
Quantock, Andrew J.
Tsujikawa, Motokazu
Nishida, Kohji
Article History
Received: 2 June 2015
Accepted: 14 January 2016
First Online: 9 March 2016
Competing interests
: The authors declare no competing financial interests.