1. Department of Diagnostic Pathology, Kobe University Hospital, Kobe, Japan
2. Division of Diabetes and Endocrinology, Kobe University Hospital, Kobe, Japan
3. Division of Diabetes and Endocrinology, Kobe University Graduate School of Medicine, Kobe, Japan
4. Division of Urology, Department of Surgery Related, Kobe University Graduate School of Medicine, Kobe, Japan
5. Department of Diagnostic Pathology, Kobe City Medical Center General Hospital, Kobe, Japan
6. Department of Pathology, Tohoku University Hospital, Sendai, Japan
7. Division of Pathology, Faculty of Medicine, Tohoku Medical and Pharmaceutical University, Sendai, Japan