Xie, Shali
Lin, Hui
Meng, Yi
Zhu, Jundong
Zhang, Yanqi
Zhang, Ling
Li, Gaoming
Funding for this research was provided by:
Military Science Project of National Social Science Foundation, China (15GJ003-169)
Article History
Received: 14 March 2017
Accepted: 27 June 2018
First Online: 11 July 2018
Ethics approval and consent to participate
: Informed written consent was obtained from participants prior to data collection. The study was conducted in compliance with the Helsinki Declaration and approved by the Ethics Committee of Army Medical University.
: Not applicable.
: The authors declare that they have no competing interests.
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