1. Emergency Department, Mackay Memorial Hospital, Taipei, Taiwan
2. Department of Emergency Medicine, Tamshui Branch, Mackay Memorial Hospital, New Taipei City, Taiwan
3. Toxicology Division, Emergency Department, Mackay Memorial Hospital, Taipei, Taiwan
4. Department of Medicine, Mackay Medical College, New Taipei City, Taiwan
5. Department of Nursing, MacKay Junior College of Medicine, Nursing and Management, Taipei, Taiwan
6. Department of Nursing, Yuanpei University of Medical Technology, Hsinchu, Taiwan