Jia, Zhongwei
Huang, Xiaojie
Wu, Hao
Zhang, Tong
Li, Ning
Ding, Peipei
Sun, Yixuan
Liu, Zhiying
Wei, Feili
Zhang, Hongwei
Jiao, Yanmei
Ji, Yunxia
Zhang, Yonghong
Guo, Caiping
Li, Wei
Mou, Danlei
Xia, Wei
Li, Zhen
Chen, Dexi
Yan, Huiping
Chen, Xinyue
Zhao, Jinkou
Meyers, Kathrine
Cohen, Ted
Mayer, Kenneth
Salomon, Joshua A
Lu, Zuhong
Dye, Christopher
Article History
Received: 30 July 2014
Accepted: 9 April 2015
First Online: 2 July 2015
Competing interests
: The authors declare no competing financial interests.