Wei, Yongyue
Shi, Qianwen
Wang, Zhaoxi
Zhang, Ruyang
Su, Li
Quamruzzaman, Quazi
Rahman, Mahmuder
Chen, Feng
Christiani, David C
Article History
Received: 14 July 2016
Revised: 30 September 2016
Accepted: 4 October 2016
First Online: 14 December 2016
Competing interests
: The authors declare no conflict of interest.