Li, Heng
Ohta, Hidenobu
Tahara, Yu
Nakamura, Sakiko
Taguchi, Kazuaki
Nakagawa, Machiko
Oishi, Yoshihisa
Goto, Yu-ichi
Wada, Keiji
Kaga, Makiko
Inagaki, Masumi
Otagiri, Masaki
Yokota, Hideo
Shibata, Shigenobu
Sakai, Hiromi
Okamura, Kunihiro
Yaegashi, Nobuo
Article History
Received: 26 June 2015
Accepted: 17 September 2015
First Online: 16 October 2015
Competing interests
: The authors declare no competing financial interests.