Sun, Xiaoying
Hirai, Go
Ueki, Masashi
Hirota, Hiroshi
Wang, Qianqian
Hongo, Yayoi
Nakamura, Takemichi
Hitora, Yuki
Takahashi, Hidekazu
Sodeoka, Mikiko
Osada, Hiroyuki
Hamamoto, Makiko
Yoshida, Minoru
Yashiroda, Yoko
Article History
Received: 17 November 2015
Accepted: 8 January 2016
First Online: 19 February 2016
Competing interests
: The authors declare no competing financial interests.