1. Department of Metabolic Disorder, Research Institute, International Medical Center of Japan
2. Department of Tissue Regeneration, Research Institute, International Medical Center of Japan
3. Department of Endocrinology and Metabolism, School of Medicine, Yokohama City University School of Medicine
4. Institute for Diabetes Care and Research, Asahi Life Foundation
5. Department of Endocrinology and Metabolism, International Medical Center of Japan