1. Department of Medicine, College of Medicine, University of Florida, and Veterans Affairs Medical Center
2. Department of Emergency Medicine, University of Fukui, Faculty of Medical Sciences
3. Department of Emergency Medicine, Nagoya Ekisaikai Hospital
4. Center for Graduate Medical Education, Okayama University Medical School
5. Department of Medical Education and Primary Care, Okayama University Medical School
6. Japan Community Healthcare Organization, Shinjuku Medical Center
7. Department of General Internal Medicine, Nagoya Daini Red Cross Hospital
8. Department of General Internal Medicine, Okinawa Chubu Hospital
9. Department of Cardiology, Keio University
10. Department of Infectious Diseases, Tokyo Metropolitan Tama Medical Center
11. Department of Emergency Medicine and Critical Care, St. Marianna University
12. Department of Infectious Diseases, Noguchi Hideyo Memorial International Hospital