Li, Qing
He, Song
Article History
Received: 15 November 2022
Accepted: 29 March 2023
First Online: 6 April 2023
Declarations
:
: This study conformed to the ethical guidelines of the Declaration of Helsinki and was approved by the ethics committee of the People’s Hospital of Guizhou Province. This study was carried out according to relevant guidelines and regulations. According to national legislation and institutional requirements, informed consent was waived by the Ethics Committee of the People’s Hospital of Guizhou Province.
: Not applicable.
: The authors declare no competing interests.