Piyapong Sirinapakul E-mail address for contacting the Division of Occupational Medicine, Department of Community Medicine, Faculty of Medicine, Khon Kaen University KhonKaen 40002, Thailand: pisirin@kkumail.com Qualifications: Doctor of Medicine (MD; Naresuan University, Thailand) in 2015 Postgraduation Education: 1. Received a certificate for a course at the 15th Occupational Health and Safety (OH&S) and Hospital Environment (ENV) Administration conference, 15–17 August 2018, organised by Khon-Kaen University, Khon-Kaen, Thailand, and sponsored by The AOED Thailand. 2. Received a certificate for a training course at the 30th Fundamental Occupational Medicine Conference for Physicians, organized by the Department of Medical Services, Thailand, on 3 June to 26 July 2019.