Zhang, Chichen https://orcid.org/0000-0003-1095-9939
Xue, Yaqing
Cai, Yuan
Lu, Jiao
Zheng, Xiao
Yuan, Wenpei
Qian, Yi
Funding for this research was provided by:
National Natural Science Foundation of China (71874104)
Key Laboratory Development Project for Philosophy and Social Sciences in Guangdong (G620369695)
Theoretical Research Project of Aging Policy (2020029)
MOE (Ministry of Education in China) Project of Humanities and Social Science (18YJAZH086)
Article History
Received: 20 September 2020
Accepted: 15 March 2021
First Online: 25 March 2021
Declarations
:
: The Ethical Committee of Shanxi Medical University approved the study protocol.The investigation was conducted after the written informed consents of all participants were obtained.
: Not applicable.
: The authors declare that they have no competing interests.