Huang, Zishuo
Xu, Tingke
Zhang, Rujia
Zhang, Xinxin
Wang, Shanshan
Zhang, Jiayun
Yang, Qingren
Fu, Yating
Gui, Jia
Zhang, Xiangyang
Chen, Chun
Article History
Received: 12 January 2023
Accepted: 3 April 2023
First Online: 30 May 2023
Declarations
:
: All procedures in this study were carried out in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. This study has been approved by Ethics Review Committee of Peking University and all participants in the cohort provided written informed consent. The IRB approval number for the main household survey, including the traditional household survey, was IRB00001052-11015.
: Not applicable.
: None declared.