1. Graduate Institute of Clinical Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan; Department of Occupational and Environmental Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan; Department of Occupational and Environmental Medicine, National Cheng Kung University Hospital, Tainan, Taiwan
2. Graduate Institute of Injury Prevention and Control, Taipei Medical University, Taipei, Taiwan; Department of Emergency Medicine, Chi-Mei Medical Center, Tainan, Taiwan
3. Department of Emergency Medicine, Chi-Mei Medical Center, Tainan, Taiwan
4. Department of Emergency Medicine, National Cheng Kung University Hospital, Tainan, Taiwan
5. Graduate Institute of Clinical Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan; Department of Occupational and Environmental Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan; Department of Occupational and Environmental Medicine, National Cheng Kung University Hospital, Tainan, Taiwan; Department of Environmental and Occupational Health, College of Medicine, National Cheng Kung University, Tainan, Taiwan