1. Division of Cardiovascular Medicine, Department of Internal Medicine Kobe University Graduate School of Medicine Kobe Japan
2. School of Nursing Miyagi University Miyagi Japan
3. Section of Arrhythmia, Division of Cardiovascular Medicine, Department of Internal Medicine Kobe University Graduate School of Medicine Kobe Japan
4. Department of Nursing Kobe University Hospital Kobe Japan
5. Department of Clinical Engineer Kobe University Hospital Kobe Japan
6. BIOTRONIK JAPAN Inc. Tokyo Japan
7. Department of Nursing Kobe University Graduate School of Health Sciences Kobe Japan