Study design and ethical consideration
This study was conducted at a community healthcare service center in Huzhou City, China, from March 2019 to March 2022 as a randomized controlled trial with a 3-month follow-up assessment. This study was registered at Clinical Trials.gov ChiCTR1900020585 on 19 January 2019. Results are reported in accordance with the CONSORT Consolidated Standards of Trials statement for non-pharmacological interventions and have obtained ethical approval from the Medical Ethics Committee of the Third People’s Huzhou Hospital of Zhejiang Province (NO.2018-030). All eligible participants voluntarily signed the written informed consent after being fully informed of the study purpose and procedures by the research assistant.