1. Department of Emergency Medicine, National Taiwan University Hospital, Taipei City, Taiwan
2. Emergency Medical Services Division, National Fire Agency, Ministry of the Interior, Taiwan
3. Department of Emergency Medicine, Taipei City Hospital, Zhongxiao Branch, Taipei City, Taiwan
4. Emergency Medical Services Division, Taipei City Fire Department, Taipei City, Taiwan
5. Department of Emergency Medicine, National Taiwan University Hospital, Hsin-Chu Branch, Hsin-Chu City, Taiwan
6. Department of Emergency Medicine, Far Eastern Memorial Hospital, New Taipei City, Taiwan
7. Department of Emergency Medicine, National Taiwan University Hospital, Yun-Lin Branch, Douliu City, Taiwan