Kang, Zhe
Yuan, Jinhui
Zhang, Xianting
Wu, Qiang
Sang, Xinzhu
Farrell, Gerald
Yu, Chongxiu
Li, Feng
Tam, Hwa Yaw
Wai, P. K. A.
Article History
Received: 22 August 2014
Accepted: 5 November 2014
First Online: 24 November 2014
Competing interests
: The authors declare no competing financial interests.