Liu, Sijun
Chen, Jiaping
Wang, Jianming
Wu, Zhuchao
Wu, Weihua
Xu, Zhiwei
Hu, Wenbiao
Xu, Fei
Tong, Shilu
Shen, Hongbing
Funding for this research was provided by:
Priority Academic Program Development of Jiangsu Higher Education Institutions
Jiangsu Government Scholarship for Overseas Studies
Article History
Received: 14 September 2016
Revised: 17 October 2017
Accepted: 20 October 2017
First Online: 30 October 2017
Compliance with ethical standards
: This study was approved by the Ethical Committee of Nanjing Medical University.
: The authors declare that they have no conflict of interest.