Fukidome, Hirokazu
Ide, Takayuki
Kawai, Yusuke
Shinohara, Toshihiro
Nagamura, Naoka
Horiba, Koji
Kotsugi, Masato
Ohkochi, Takuo
Kinoshita, Toyohiko
Kumighashira, Hiroshi
Oshima, Masaharu
Suemitsu, Maki
Article History
Received: 4 February 2014
Accepted: 16 May 2014
First Online: 6 June 2014
Competing interests
: The authors declare no competing financial interests.