Liu, Jinxin
Li, Hongchang
Zhang, Lei
Rames, Matthew
Zhang, Meng
Yu, Yadong
Peng, Bo
Celis, César Díaz
Xu, April
Zou, Qin
Yang, Xu
Chen, Xuefeng
Ren, Gang
Article History
Received: 13 January 2016
Accepted: 16 June 2016
First Online: 11 July 2016
Competing interests
: Q.Z. and A.X. are current employees for Pfizer Inc.