[1
]Department of Occupational Health and Safety, Mahidol University Faculty of Public
Health, Bangkok, Thailand
[2
]Center of Excellence on Environmental Health and Toxicology, Bangkok, Thailand
[3
]Department of Biostatistics, Mahidol University Faculty of Public Health, Bangkok,
Thailand
[4
]Department of Occupational Health and Safety, Faculty of Public Health, Naresuan University,
Phitsanulok, Thailand
[5
]Department of Health, Ministry of Public Health, Bureau of Elderly Health, Nonthaburi,
Thailand
[6
]Department of Public Health, Zuckerberg College of Health Sciences, University of
Massachusetts Lowell, Lowell, USA