Wang, Jiafu
Meng, Jianghui
Nugent, Marc
Tang, Minhong
Dolly, J. Oliver
Article History
Received: 23 June 2016
Accepted: 9 February 2017
First Online: 15 March 2017
Competing interests
: The authors declare that this research was supported in part by Allergan Inc. The funder had no role in study design, data collection and analysis or preparation of the manuscript.