1. Department of Diabetes, Endocrinology and Nutrition, Kyoto University Graduate School of Medicine, Kyoto 606-8507, Japan
2. Department of Endocrinology, Osaka City General Hospital, Osaka 534-0021, Japan
3. Department of Diagnostic Imaging and Nuclear Medicine, Kyoto University Graduate School of Medicine, Kyoto 606-8507, Japan
4. Institute for Advancement of Clinical and Translational Science (iACT), Kyoto University Hospital, Kyoto 606-8507, Japan
5. Department of Biostatistics, Shiga University of Medical Science, Otsu 520-2192, Japan
6. Department of Endocrinology, Rakuwakai Otowa Hospital, Kyoto 607-8062, Japan
7. Medical Innovation Center, Kyoto University Graduate School of Medicine, Kyoto 606-8501, Japan