1. Department of Cardiology, Juntendo University School of Medicine, Tokyo
2. Department of Internal Medicine, Cardiovascular Institute Hospital, Tokyo
3. Department of Cardiology, University of Tokyo, Tokyo
4. Department of Cardiology, Mitsui Memorial Hospital, Tokyo
5. Department of Cardiology, Kagoshima Seikyou Hospital, Kagoshima
6. Kobe National Hospital, Kobe
7. Department of Cardiology, International Goodwill Hospital, Kawasaki
8. Gumma Paz College School of Nursing, Gumma, Japan