Xue, Cong
Hong, Shaodong
Li, Ning
Feng, Weineng
Jia, Jun
Peng, Jiewen
Lin, Daren
Cao, Xiaolong
Wang, Siyang
Zhang, Weimin
Zhang, Hongyu
Dong, Wei
Zhang, Li
Article History
Received: 26 August 2014
Accepted: 24 April 2015
First Online: 28 July 2015
Competing interests
: Li Zhang has received research support from Boehringer Ingelheim, Astra Zeneca, Lilly and Roche. Other authors declare no conflicts of interest.