Li, Chen
Wang, Ling
Zhang, Yuhai
Li, Chanjuan
Xu, Yongyong
Shang, Lei
Xia, Jielai
Funding for this research was provided by:
National Natural Science Foundation of China (81773540, 81773553, 81473069)
Military Degree and Postgraduate Education Conference of China (YJZX14D13)
National Major Scientific and Technological Special Project for Significant New Drugs Development of China (2015ZX09501008-004)
Article History
Received: 24 July 2016
Accepted: 21 May 2018
First Online: 19 June 2018
Ethics approval and consent to participate
: The Ethics Committee of the Fourth Military Medical University carefully considered and approved the project proposal. A written informed consent was added to the questionnaire and obtained from all participants.
: The authors declare that they have no competing interests.
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