Sun, Qian
Wang, Youwei
Lu, Nan
Lyu, Shiyan
Funding for this research was provided by:
National Social Science Foundation of China (19ASH018, 19ASH018, 19ASH018, 19ASH018)
Article History
Received: 2 August 2021
Accepted: 23 December 2021
First Online: 27 January 2022
Declarations
:
: The study has been performed in accordance with the Declaration of Helsinki. All methods were performed in accordance with the relevant guidelines and regulations. Ethical approval was obtained from the Ethics Committee of the University of Hong Kong (reference no. EA2003026). The data used in this study was anonymised before its use. Informed consent was obtained from all participants. The consent obtained from study participants was written.
: Not applicable.
: The authors declare that they have no competing interests. The third author, Nan Lu (NL) is an editorial board member of BMC Geriatrics.