Kitajima, Yuriko
Doi, Hanako
Ono, Yusuke
Urata, Yoshishige
Goto, Shinji
Kitajima, Michio
Miura, Kiyonori
Li, Tao-Sheng
Masuzaki, Hideaki
Article History
Received: 30 March 2015
Accepted: 13 July 2015
First Online: 6 August 2015
Competing interests
: The authors declare no competing financial interests.