Received: 18 March 2023
Accepted: 28 September 2023
First Online: 5 October 2023
: This study received ethical approval from the Institutional Review Board of Mahidol, University, Thailand, on November 15<sup>th</sup>, 2022. The reference number is COA. MURA2022/664. All methods were performed in accordance with relevant guidelines and regulations from the Institutional Review Boards in Mahidol University, which are in full compliance with International Guidelines for Human Research Protection such as the Declaration of Helsinki, The Belmont Report, CIOMS Guidelines and the International Conference on Harmonization in Good Clinical Practice (ICH-GCP). All participants provided informed consent prior to their involvement in the study, and steps were taken to ensure the privacy and confidentiality of their data.
: Not applicable.
: Author 1, Itthipon Wongprom, is a secretary and member of the palliative care certificate training committee of the Royal College of Family Physicians of Thailand.Author 2, Arthit Chaithanasarn, is an executive board member of the Royal College of Family Physicians of Thailand and a secretary and member of the family medicine residency examination and training committee.