Zhou, Rongfei
Yu, Huiting
Qian, Naisi
Jin, Shan
Cai, Renzhi
Chen, Lei
Wang, Chunfang
Wu, Fan
Article History
Received: 8 December 2022
Accepted: 19 June 2023
First Online: 26 July 2023
Declarations
:
: This study was a retrospective, population-based cohort study approved by the Ethics Review Committee of the Shanghai Municipal Centre for Disease Control and Prevention (SCDC), and all methods were carried out following relevant guidelines and regulations. As only de-identified routinely collected surveillance data were used, the requirement to obtain informed consent was waived.Name of the ethics committee: Shanghai Municipal Centre for Disease Control and Prevention Ethics Review Committee.The relevant legislation: Informed consent may be waived if information and/or biological specimens obtained from health surveillance are reused without further tracking of subject information.
: Not applicable.
: The authors declare no competing interests.