Furukawa, Toru
Sakamoto, Hitomi
Takeuchi, Shoko
Ameri, Mitra
Kuboki, Yuko
Yamamoto, Toshiyuki
Hatori, Takashi
Yamamoto, Masakazu
Sugiyama, Masanori
Ohike, Nobuyuki
Yamaguchi, Hiroshi
Shimizu, Michio
Shibata, Noriyuki
Shimizu, Kyoko
Shiratori, Keiko
Article History
Received: 12 October 2014
Accepted: 5 February 2015
First Online: 6 March 2015
Competing interests
: The authors declare no competing financial interests.