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Article History

Received: 24 October 2022

Accepted: 3 March 2023

First Online: 28 March 2023

Declarations

:

: The study was approved by the Medical Ethics Committee of Zhanlanlu Hospital, Xicheng District, Beijing (approval number: [ZYLL] 2022-006). The authors confirm that all methods comply with the current guidelines and regulations which follow the Declaration of Helsinki. All participants received a written participant information leaflet, detailing information including data protection, confidentiality, withdrawal procedures and signposting to relevant organizations. Written informed consent was obtained from all participants prior to interview commencement.

: Not applicable.

: The authors declare that they have no competing interests.