1. Department of Emergency Medicine , MacKay Memorial Hospital, Taipei, Taiwan
2. Department of Medicine , MacKay Medical College, New Taipei City, Taiwan
3. Department of Emergency , School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
4. Department of Emergency and Critical Care Medicine , Taipei Medical University Hospital, Taipei, Taiwan
5. Department of Emergency Medicine , Taipei Veterans General Hospital, Taipei, Taiwan
6. Department of Emergency Medicine , School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
7. Kinmen Hospital , Ministry of Health and Welfare, Kinmen, Taiwan
8. Department of Pathology and Laboratory Medicine , Taipei Veterans General Hospital, Taipei, Taiwan
9. Program of Medical Biotechnology , Taipei Medical University, Taipei, Taiwan