Yu, Clinton
Mao, Haibin
Novitsky, Eric J.
Tang, Xiaobo
Rychnovsky, Scott D.
Zheng, Ning
Huang, Lan
Article History
Received: 2 August 2015
Accepted: 29 October 2015
First Online: 3 December 2015
Competing interests
: The authors declare no competing financial interests.