Li, Zeping
Liang, Lili
Duan, Wen
Zhou, Chengmao
Yang, Jian-Jun
Article History
Received: 3 August 2021
Accepted: 22 March 2022
First Online: 8 April 2022
Declarations
:
: The study was approved by the Ethics Committee of the Medical Ethics Committee of the First Affiliated Hospital of Zhengzhou University. The data was anonymous, and the need for informed consent was therefore waived.
: Not applicable.
: The authors declare that they have no competing interests.