Hasegawa, Takuya
Asakura, Masanori
Eguchi, Kazuo
Asanuma, Hiroshi
Ohara, Takahiro
Kanzaki, Hideaki
Hashimura, Kazuhiko
Tomoike, Hitonobu
Kim, Jiyoong
Kitakaze, Masafumi
Article History
Received: 6 January 2014
Revised: 8 June 2014
Accepted: 15 June 2014
First Online: 14 August 2014
Competing interests
: The authors declare no conflict of interest.