Yoshitomi, Ryota
Nakayama, Masaru
Ura, Yoriko
Kuma, Kazuyoshi
Nishimoto, Hitomi
Fukui, Akiko
Ikeda, Hirofumi
Tsuchihashi, Takuya
Tsuruya, Kazuhiko
Kitazono, Takanari
Article History
Received: 3 April 2014
Revised: 24 May 2014
Accepted: 20 June 2014
First Online: 24 July 2014
Competing interests
: The authors declare no conflict of interest.