Asanuma, Daisuke
Sakabe, Masayo
Kamiya, Mako
Yamamoto, Kyoko
Hiratake, Jun
Ogawa, Mikako
Kosaka, Nobuyuki
Choyke, Peter L.
Nagano, Tetsuo
Kobayashi, Hisataka
Urano, Yasuteru
Article History
Received: 31 July 2014
Accepted: 2 February 2015
First Online: 13 March 2015
Competing interests
: The authors declare no competing financial interests.