Funding for this research was provided by:
Health Care Foundation of Logistics Support Department of Central Military Commission (17BJZ04)
Innovative Cultivation Foundation of Sixth Medical Center of Chinese People's Liberation Army General Hospital (CXPY201729)
Article History
Received: 3 September 2020
Accepted: 27 January 2021
First Online: 16 February 2021
Ethics approval and consent to participate
: Not applicable.
: Not Applicable.
: The authors declare that they have no competing interests.