1. Department of Diabetes, Endocrinology and Nutrition, Kyoto University Graduate School of Medicine, Kyoto, Japan
2. Department of Diabetes and Endocrinology, Shiga General Hospital, Moriyama, Japan
3. Department of Nephrology, Kyoto University Graduate School of Medicine, Kyoto, Japan
4. Department of Neurosurgery, Shiga General Hospital, Moriyama, Japan
5. Department of Diagnostic Pathology, National Hospital Organization Kyoto Medical Center, Kyoto, Japan
6. Clinical Research Center, National Hospital Organization Kyoto Medical Center, Kyoto, Japan