Sakamoto, Shohei
Miyaji, Takaaki
Hiasa, Miki
Ichikawa, Reiko
Uematsu, Akira
Iwatsuki, Ken
Shibata, Atsushi
Uneyama, Hisayuki
Takayanagi, Ryoichi
Yamamoto, Akitsugu
Omote, Hiroshi
Nomura, Masatoshi
Moriyama, Yoshinori
Article History
Received: 1 July 2014
Accepted: 17 September 2014
First Online: 21 October 2014
Competing interests
: The authors declare no competing financial interests.