| Affiliation: | 1. Department of Cardiology and Clinical Examination, Faculty of Medicine, Oita University, Oita, Japan;2. Department of Medicine II, Kansai Medical University, Moriguchi, Japan;3. Division of Arrhythmia and Electrophysiology, Department of Cardiovascular Medicine, National Cerebral and Cardiovascular Center, Osaka, Suita, Japan;4. Cardiovascular Division, Department of Internal Medicine, Institute of Clinical Medicine, University of Tsukuba, Tsukuba, Japan;5. Division of Cardiology, St. Luke's International Hospital, Tokyo, Japan;6. Department of Internal Medicine, Senri Central Hospital, Suita, Japan;7. Department of Cardiovascular Medicine, Tokyo Medical and Dental University, Tokyo, Japan |
