1. Department of Medicine, College of Medicine, University of Florida, and Veterans Affairs Medical Center
2. Department of Emergency Medicine, Faculty of Medical Sciences, University of Fukui
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, College of Medicine, Okayama University Medical School
6. Japan Community Healthcare Organization Shinjuku Medical Center
7. Department of General Medicine, Nagoya Daini Red Cross Hospital