Ren, Wenkai
Liu, Gang
Yin, Jie
Tan, Bie
Wu, Guoyao
Bazer, Fuller W
Peng, Yuanyi
Yin, Yulong
Article History
Received: 3 May 2016
Revised: 23 June 2016
Accepted: 24 June 2016
First Online: 2 March 2017
Competing interests
: The authors declare no conflict of interest.