1. Department of Occupational Health and Safety, Faculty of Public Health, Mahidol University, Bangkok, Thailand
2. Center of Excellence on Environmental Health and Toxicology (EHT), OPS, MHESI, Bangkok, Thailand
3. Department of Environmental Epidemiology, Institute of Industrial Ecological Sciences, University of Occupational and Environmental Health, Japan, Kitakyushu, Japan
4. Department of Public Health, Faculty of Physical Education, Srinakharinwirot University, Nakhon Nayok, Thailand
5. Program of Occupational Health and Safety, Faculty of Public Health, Naresuan University, Phitsanulok, Thailand
6. Institute of Public Health, Suranaree University of Technology, Nakhon Ratchasima, Thailand
7. Faculty of Industrial Technology, Lampang Rajabhat University, Lampang, Thailand
8. Department of Occupational Safety and Health Management, School of Health Sciences, University of Occupational and Environmental Health, Japan, Kitakyushu, Japan