Funding for this research was provided by:
Youth Support Project of Chinese PLA General Hospital (QNF19015)
National Key Research and Development Program of China (No. 2020YFC2004900)
Received: 22 June 2021
Accepted: 20 September 2021
First Online: 29 September 2021
: This study was approved by the institutional review board of our hospital (Chinese People’s Liberation Army General Hospital). The anonymity of the data was assured and the implementation of all stages of the study has been conducted in accordance with the ethical standards and the tenets of the 1964 Declaration of Helsinki.
: Not applicable.
: The authors declare no competing interests.