1. Department of Medical Record and Information Management, Occupational Medicine and Neurology, Chi Mei Medical Center, Tainan, Taiwan
2. Department of Occupational Safety, College of Environment, Chia Nan University of Pharmacy and Science, Tainan, Taiwan
3. Department of Occupational and Environmental Medicine, National Cheng Kung University Hospital, Tainan, Taiwan
4. National Cheng Kung University Research Center for Health Data and Institute of Public Health, College of Medicine, National Cheng Kung University, Tainan, Taiwan
5. Department of Society, Human Development, and Health, Harvard School of Public Health, Harvard University, Boston, Massachusetts