Yang, Yi
Xie, Yanxia
Li, Mingrong
Mu, Yi
Chen, Peiran
Liu, Zheng
Wang, Yanping
Li, Qi
Li, Xiaohong
Dai, Li
Liang, Juan
Zhu, Jun
Funding for this research was provided by:
The National Key R&D Program of China (2019YFC1005100)
Article History
Received: 27 March 2022
Accepted: 29 November 2022
First Online: 9 December 2022
Declarations
:
: All methods were carried out in accordance with the ethical standards of the institutional review board of West China Second University Hospital, Sichuan University, China and with the Helsinki Declaration and its later amendments or comparable ethical standards. Ethical approval for the NMNMSS was provided by the Ethics Committee of West China Second University Hospital, Sichuan University, China. Informed consent from the patient was waived from the Ethics Committee, as the data used in this study were obtained from a national routine surveillance system established by the government. Data use was authorized by the National Health Commission, and data provided to us were de-identified.
: Not applicable.
: The authors have declared that no competing interests exist.