Funding for this research was provided by:
National Natural Science Foundation of China (81872714)
the Shanxi Provincial Key Laboratory of Major Diseases Risk Assessment (201805D111006)
the General Program for Young Scholar of Shanxi Province (201801D221423)
Received: 1 April 2020
Accepted: 11 August 2020
First Online: 27 August 2020
Ethics approval and consent to participate
: The research program received medical and ethical approval from Shanxi Medical University. All patients and their families were informed and agreed to the study.
: Not applicable.
: The author has declared that no competing interests exist.