Funding for this research was provided by:
Grants for Major Projects on College Leading Talent Team Introduced of Anhui (0303011224)
National Natural Science Foundation of China (81872662)
Article History
Received: 14 September 2021
Accepted: 15 November 2021
First Online: 19 January 2022
Declarations
:
: The authors declare that they have no competing interests.
: The Elderly Health and Environment Risk Factor Cohort strictly followed ethically related procedures. The research scheme was verified by the Ethics Committee of Anhui Medical University. This study was approved by the biomedical ethical committee of Anhui Medical University (No.2017028).
: All procedures performed in studies involving human participants were 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.
: Informed consent was obtained from all individual participants included in the study.
: All subjects signed informed consent forms to participate in the survey.
: All authors have agreed to be published.