1. University of The Gambia, School of Medicine & Allied Health Sciences, Department of Public & Environmental Health, Brikama, The Gambia; Taipei Medical University, College of Public Health, Graduate Institute of Injury Prevention and Control, Taipei, Taiwan
2. Taipei Medical University, College of Public Health, Graduate Institute of Injury Prevention and Control, Taipei, Taiwan; Taipei Medical University Hospital, Department of Emergency Medicine, Taipei, Taiwan
3. National Defense Medical Center, Tri-Service General Hospital, Department of Emergency Medicine, Taipei, Taiwan
4. Western Kentucky University, College of Health and Human Services, Department of Public Health, Bowling Green, Kentucky
5. Taipei Medical University, College of Public Health, Graduate Institute of Injury Prevention and Control, Taipei, Taiwan