1. Department of Metabolism & Endocrinology, Juntendo University Graduate School of Medicine , 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan
2. Center for Identification of Diabetic Therapeutic Targets, Juntendo University Graduate School of Medicine , 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan
3. Center for Therapeutic Innovations in Diabetes, Juntendo University Graduate School of Medicine , 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan
4. Laboratory of Developmental Biology and Metabolism, Institute for Molecular and Cellular Regulation, Gunma University , Maebashi, Japan
5. Department of Cell Biology and Neuroscience, Juntendo University Graduate School of Medicine , Tokyo, Japan
6. Division of Cardiology, Department of Medicine, Nihon University School of Medicine , Tokyo, Japan