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Article History

Received: 6 November 2020

Accepted: 10 December 2021

First Online: 6 January 2022

Declarations

:

: Approval from the medical ethic committee of Newcastle University was granted prior to study commencement. It was identified as low risk with no further ethical approval required (number: 3571).All participants in the research were healthy, adult volunteers and were presented beforehand with written explanations of the research, questionnaire, anonymity and data confidentiality. Participants were all over the age of 21, the age of consent in Indonesia. Participants were able to leave the study at any time and required to click an informed consent. There is no conflict of interest to disclose.

: Not Applicable.

: The authors declare that they have no competing interests.