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Article History

Received: 28 June 2024

Accepted: 18 March 2026

First Online: 6 April 2026

Declarations

:

: This study received ethical approval from VinUniversity and the Ethical Committee of the Vinmec Healthcare System, with registration number 55/2024/CN/HDDDVMEC. The questionnaire was accompanied by a cover letter that outlined the study's objectives, emphasized the voluntary nature of participation, detailed potential risks and benefits, and provided the authors' contact information. Participants were encouraged to contact the researchers with any questions about the questionnaire or to withdraw from the study if they wished. Informed consent was obtained from all participants before they voluntarily participated. To maintain confidentiality and anonymity, participants' names and email addresses were removed upon form submission, and a unique ID was assigned to each respondent.

: Not applicable.

: Dr Ha Minh Thuy serves as a reviewing editor within the BMC journal group. She had no involvement in the editorial handling or peer review of this manuscript and did not participate in the selection or suggestion of reviewers or editors for this submission. Apart from this disclosed role, the authors declare that they have no other competing interests.