He, Huaiwu
Long, Yun
Liu, Dawei
Wang, Xiaoting
Zhou, Xiang
Funding for this research was provided by:
the special fund for health-scientific research in the public interest program, the Ministry of Health of P.R. China (grant number 201202011)
Article History
Received: 4 May 2015
Accepted: 30 August 2015
First Online: 1 December 2015