Son, Bo-Kyung
Sawaki, Daigo
Tomida, Shota
Fujita, Daishi
Aizawa, Kenichi
Aoki, Hiroki
Akishita, Masahiro
Manabe, Ichiro
Komuro, Issei
Friedman, Scott L.
Nagai, Ryozo
Suzuki, Toru
Article History
Received: 16 June 2014
Accepted: 23 March 2015
First Online: 29 April 2015
Competing interests
: The authors declare no competing financial interests.