Yang, Yide
Lau, Patrick WC
Wang, Jingjing
Dong, Bin
Wu, Lijing
Quach, Binh
Wong, Del P
Fu, Lianguo
Ma, Jun
Wang, Haijun
Article History
Received: 21 August 2015
Revised: 29 March 2016
Accepted: 29 April 2016
First Online: 23 June 2016
Competing interests
: The authors declare no conflict of interest.
Free to read: This content has been made available to all.