Akiyama, Masahiro
Hasegawa, Hiroshi
Hongu, Tsunaki
Frohman, Michael A.
Harada, Akihiro
Sakagami, Hiroyuki
Kanaho, Yasunori
Article History
Received: 4 June 2014
Accepted: 21 July 2014
First Online: 21 August 2014
Competing interests
: The authors declare no competing financial interests.