Yokoi, Setsuri
Ishihara, Naoko
Miya, Fuyuki
Tsutsumi, Makiko
Yanagihara, Itaru
Fujita, Naoko
Yamamoto, Hiroyuki
Kato, Mitsuhiro
Okamoto, Nobuhiko
Tsunoda, Tatsuhiko
Yamasaki, Mami
Kanemura, Yonehiro
Kosaki, Kenjiro
Kojima, Seiji
Saitoh, Shinji
Kurahashi, Hiroki
Natsume, Jun
Article History
Received: 13 March 2015
Accepted: 16 September 2015
First Online: 23 October 2015
Competing interests
: The authors declare no competing financial interests.