Wang, Fei http://orcid.org/0000-0003-1766-288X
Wang, Xinyu
Funding for this research was provided by:
the Social Development Foundation of Shanxi, China (No.201903D321069)
the Applied Basic Research Project of Shanxi, China (No.201801D121261)
Article History
Received: 7 December 2020
Accepted: 25 January 2021
First Online: 10 February 2021
Declarations
:
: The CHNS is an ongoing open cohort, international collaborative project, and also a forward-looking continuous research that investigates a series of economic, sociological, demographic, and health issues. The CHNS were all legal surveys approved and kept a record by the Carolina Population Center at the University of North Carolina at Chapel Hill and the National Institute for Nutrition and Health (NINH, former National Institute of Nutrition and Food Safety) at the Chinese Center for Disease Control and Prevention (CCDC).
: Not applicable.
: The authors declare no competing interests.