1. Department of Cardiology, University Hospital of Larissa, 41110 Larissa, Greece
2. Department of Cardiovascular Medicine, Juntendo University Graduate School of Medicine, Tokyo 113-0033, Japan
3. Department of Cardiology, Himeji Cardiovascular Center, Himeji 670-8560, Japan
4. Division of Cardiology, Yokohama City University Medical Center, Yokohama 232-0024, Japan
5. Department of Cardiovascular Medicine, Fukushima Medical University, Fukushima 960-1295, Japan
6. Cardiovascular Division, Faculty of Medicine, University of Tsukuba, Tsukuba 305-8577, Japan
7. Department of Pharmacology, St. Marianna University School of Medicine, Kawasaki 216-8511, Japan
8. Department of Cardiology, Nagoya University Graduate School of Medicine, Nagoya 466-8550, Japan
9. Department of Cardiovascular Medicine, Kobe City Medical Center General Hospital, Kobe 650-0047, Japan
10. Department of Cardiovascular Medicine, National Cerebral and Cardiovascular Center, Osaka 564-8565, Japan