Funding for this research was provided by:
Key Research and Development Program of Shaanxi Province (2020SF-245)
Received: 13 January 2020
Accepted: 2 September 2020
First Online: 14 September 2020
Ethics approval and consent to participate
: Written informed consent was obtained from all individual participants included in the study. The independent Ethics Committee, First Affiliated Hospital of Fourth Military Medical University approved the conductance of this study. (Number:KY20182047-F-1).
: Not applicable.
: The authors declare that they have no competing interests.