1. Division of Diabetes, Metabolism and Endocrinology, Department of Internal Medicine, Jikei University School of Medicine, Minato-ku, Tokyo, Japan
2. Division of Cardiology, Department of Internal Medicine, Jikei University School of Medicine, Minato-ku, Tokyo, Japan
3. Department of Cardiovascular Biology and Medicine, Niigata University Graduate School of Medical and Dental Sciences, Chuo-ku, Niigata, Japan
4. PRESTO, Japan Science and Technology Agency, Saitama, Japan