Received: 9 May 2021
Accepted: 22 June 2021
First Online: 12 July 2021
: This study was approved by the Siriraj Institutional Review Board, and it is in full compliance with international guidelines for human research protection, such as the Declaration of Helsinki, the Belmont Report, and the International Conference on Harmonization in Good Clinical Practice; COA no. Si 508/2017. Prior to its commencement, all participants read an information sheet and gave written informed consent.
: Not applicable.
: The authors declare that there are no conflicts of interest related to this study.