Suzuki, Nobumi
Murata-Kamiya, Naoko
Yanagiya, Kohei
Suda, Wataru
Hattori, Masahira
Kanda, Hiroaki
Bingo, Atsuhiro
Fujii, Yumiko
Maeda, Shin
Koike, Kazuhiko
Hatakeyama, Masanori
Article History
Received: 10 November 2014
Accepted: 25 March 2015
First Online: 6 May 2015
Competing interests
: The authors declare no competing financial interests.