1. National Cerebral and Cardiovascular Center Suita Japan
2. Hokkaido University Graduate School of Medicine Hokkaido Japan
3. Okayama University Medical School Okayama Japan
4. Department of Cardiovascular Medicine Faculty of Medical Sciences Kyushu University Fukuoka Japan
5. Nara Medical University School of Medicine Kashihara Japan
6. Graduate School of Medicine and Faculty of Medicine Tokyo University Tokyo Japan