1. Department of Advanced Cardiovascular Medicine, Graduate School of Medical Sciences, Kumamoto University
2. Department of Cardiovascular Medicine, National Cerebral and Cardiovascular Center
3. Department of Cardiovascular Medicine, Graduate School of Medicine, Dentistry and Pharmaceutical Science, Okayama University
4. Department of Cardiovascular Medicine, Nippon Medical School
5. Department of Cardiovascular Medicine, Graduate School of Medical Sciences, Kumamoto University