1. Department of Nursing, National Taipei University of Nursing and Health Sciences, Taipei, Taiwan, ROC
2. Institute of Injury Prevention and Control, College of Public Health, Taipei Medical University, Taipei, Taiwan, ROC
3. Department of Emergency Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan, ROC
4. Department of Emergency Medicine, Taipei Medical University Hospital, Taipei, Taiwan, ROC