1. Department of Emergency Medicine, Tri-Service General Hospital, Songshan Branch, Taipei 10581, Taiwan
2. Department of Health Promotion and Health Education, National Taiwan Normal University, Taipei 10610, Taiwan
3. Department of General Surgery, China Medical University Beigang Hospital, Yunlin 65152, Taiwan
4. Department of Nursing, Ministry of Health and Welfare, Hualien Hospital, Hualien 97061, Taiwan
5. Department of Emergency Medicine, Taoyuan Armed Forces General Hospital, Taoyuan 32549, Taiwan
6. Department of Emergency Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei 11490, Taiwan
7. Department of Neurology, Tri-Service General Hospital, National Defense Medical Center, Taipei 11490, Taiwan