1. Department of Diabetes and Endocrinology, Graduate School of Interdisciplinary Research, Faculty of Medicine, University of Yamanashi , Chuo, Yamanashi 409-3898 , Japan
2. Department of Rheumatology, Graduate School of Interdisciplinary Research, Faculty of Medicine, University of Yamanashi , Chuo, Yamanashi 409-3898 , Japan
3. Department of Nephrology, Graduate School of Interdisciplinary Research, Faculty of Medicine, University of Yamanashi , Chuo, Yamanashi 409-3898 , Japan