1. Department of Internal Medicine; Asahi University School of Dentistry; Mizuho Japan
2. Department of Cardiovascular Medicine; Nara Medical University; Kashihara Japan
3. Department of Cardiology; Gifu University School of Medicine; Gifu Japan
4. Department of Emergency and Disaster Medicine; Gifu University School of Medicine; Gifu Japan
5. Hyogo Prefectural Amagasaki General Medical Center; Amagasaki Japan