Tai, Mei Chee
Yanagisawa, Kiyoshi
Nakatochi, Masahiro
Hotta, Naoe
Hosono, Yasuyuki
Kawaguchi, Koji
Naito, Mariko
Taniguchi, Hiroyuki
Wakai, Kenji
Yokoi, Kohei
Takahashi, Takashi
Article History
Received: 4 April 2016
Accepted: 19 July 2016
First Online: 10 August 2016
Competing interests
: The authors declare no competing financial interests.