Funding for this research was provided by:
National Natural Science Foundation of China (U1704177, U1904164)
Received: 7 July 2020
Accepted: 21 January 2021
First Online: 30 January 2021
Ethics approval and consent to participate
: This study was conducted in accordance with the Declaration of Helsinki and approved by the Ethics Committee of the First Affiliated Hospital of Zhengzhou University (2020-KY-194).
: Not applicable.
: The authors declare that they have no competing interests.