1. Department of Cardiovascular Medicine, Juntendo University Shizuoka Hospital, Izunokuni-shi, Japan
2. Department of Metabolism and Endocrinology, Juntendo University Graduate School of Medicine, Tokyo, Japan
3. Department of Cardiovascular Biology and Medicine, Juntendo University Graduate School of Medicine, Tokyo, Japan
4. Cardiovascular Surgery, Juntendo University Shizuoka Hospital, Izunokuni-shi, Japan