Funding for this research was provided by:
Natural Science Foundation of Hebei Province (C2019402141)
the Science and Technology Research and Development Project of Handan (1823208029ZC)
the Key Science and Technology Research Program of Hebei Provincial Department of Health (20190962)
Received: 26 April 2021
Accepted: 2 October 2021
First Online: 13 October 2021
: This study was approved by the Ethical Committee of Affiliated Hospital of Hebei University of Engineering. The written informed consents were obtained from all the patients.
: Not applicable.
: The authors declare that they have no competing interests.