Zhang, Han
Tang, Jie
Yuan, Jinshi
Yamauchi, Yasushi
Suzuki, Taku T.
Shinya, Norio
Nakajima, Kiyomi
Qin, Lu-Chang
Article History
Received: 27 November 2012
Accepted: 20 October 2015
First Online: 30 November 2015
Competing interests
: The authors declare no competing financial interests.