Funding for this research was provided by:
Health Systems Research Institute, Thailand (62-108)
Received: 10 June 2020
Accepted: 29 October 2020
First Online: 11 November 2020
Ethics approval and consent to participate
: This study obtained ethics approval from the Institute for the Development of Human Research Protections (IHRP)—letter head: IHRP 592/2562. Written consent was obtained from the participants. For those uncomfortable with providing written consent, verbal consent was used instead. All respondents were assured that their participation was voluntary and they had the right to withdraw from the survey at any time. All individual information was kept strictly confidential and would not be reported to the wider public.
: Not applicable.
: The authors declare no conflict of interest.