1. Department of Nephrology & Hypertension, Dokkyo Medical University, Japan
2. Department of Anatomy, Showa University School of Medicine, Japan
3. Department of Pathology, Shinshu University School of Medicine, Japan
4. Department of Diagnostic Pathology, Dokkyo Medical University, Japan
5. Department of Pathology, Dokkyo Medical University Saitama Medical Center, Japan