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Article History

Received: 20 May 2024

Accepted: 12 July 2024

First Online: 2 August 2024

Declarations

:

: All authors have read, understood, and have complied as applicable with the statement on “Ethical responsibilities of Authors” as found in the Instructions for Authors. In Vietnam, at the time of carrying out the survey, there was no ethics committee applied in the studies of public behavior that were purely observational yet. No approval from research ethics committees was required to accomplish the goals of this study because the survey did not pose significant risks or potential harm to the participants, and the information collected was of a general nature, without delving into sensitive personal topics. During the survey, participants were communicated with and asked to provide their verbal informed consent.

: All authors agreed with the content and that all gave explicit consent to submit and that they obtained consent from the responsible authorities at the institute/organization where the work has been carried out, before the work is submitted.

: The authors declare no competing interests.