1. Division of Diabetes and Metabolism The Institute of Medical Science Asahi Life Foundation Chuo‐ku Japan
2. Department of Public Health and Environmental Medicine The Jikei University School of Medicine Minato‐ku Japan
3. Department of Pharmacotherapy Meiji Pharmaceutical University Kiyose Japan
4. Laboratories for Systems Biology and Medicine Research Center for Advanced Science and Technology The University of Tokyo Meguro‐ku Japan
5. Department of Metabolism and Endocrinology Akita University Graduate School of Medicine Akita Japan
6. Department of Endocrinology and Diabetes Saitama Medical University Moroyama Japan
7. Department of Biochemistry Keio University School of Medicine Shinjuku‐ku Japan
8. Department of Diabetes and Endocrinology Shin‐yurigaoka General Hospital Kawasaki Japan
9. Department of Diabetes, Metabolism and Endocrinology Ichikawa Hospital International University of Health and Welfare Ichikawa Japan