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Authors
Wang, Xiquan
Qin, Afei
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Funding
Funding for this research was provided by:
Horizontal project 2025 of Nanjing University of traditional Chinese medicine: support project for market prediction and brand design of aging products based on the elderly with chronic diseases.
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Article History
Received: 7 October 2025
Accepted: 16 January 2026
First Online: 26 January 2026
Declarations
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: This study was conducted according to the guidelines laid down in the Declaration of Helsinki, and all procedures involving research study participants were approved by the biomedical ethics committee of Peking University (IRB approval number: IRB00001052-11015). All participants or their guardians provided written informed consent for participation in both the baseline and follow-up surveys. Consent was obtained prior to the administration of the study questionnaire.
: Not applicable.
: The authors declare no competing interests.
: Not applicable.
