Funding for this research was provided by:
Federal State Budget Scientific Institution Research Institute - Republican Research and Consulting Center of Expertise (613307-03)
Medical Research Funding of PLA (ASW14C003)
Received: 28 July 2019
Accepted: 18 May 2020
First Online: 11 June 2020
Ethics approval and consent to participate
: This study was approved by the Institutional Review Board and the Medical Ethics Committee of Daping Hospital, the Army Medical University, China (HUUWEC2017017).
: Not applicable.
: The authors declare that they have no conflicts of interest.