Wang, Xiaobo
Guo, Haiyang
Tang, Yong
Chen, Lin
Wang, Xianfei
Funding for this research was provided by:
Sichuan Provincial primary health development research centre
Article History
Received: 1 April 2022
Accepted: 4 July 2022
First Online: 11 July 2022
Declarations
:
: The ethics committee of Affiliated Hospital of North Sichuan Medical College approved this research. The ethics committee of Affiliated Hospital of North Sichuan Medical College waived informed consent considering the retrospective nature of the study and all the data anonymization. The study was carried out in accordance with ethical guidelines of Affiliated Hospital of North Sichuan Medical College.
: Not applicable.
: The authors declare that they have no conflicts of interest.