Funding for this research was provided by:
the 90th Anniversary of Chulalongkorn University
Received: 11 May 2021
Accepted: 4 March 2022
First Online: 14 March 2022
: This study was approved by the Office of the Research Ethics Review Committee for Research Involving Human Subjects of Chulalongkorn University (COA number 274/2018). For all research involving human subjects, freely-given, informed consent to participate in the study must be obtained from participants and a statement to this effect should appear in the manuscript.
: Not applicable.
: The authors declare that they have no competing interests to disclose.