1. Department of Nephrology, Yokkaichi Hazu Medical Center, Japan
2. Department of Cardiology and Nephrology, Mie University Graduate School of Medicine, Japan
3. Department of Histopathology, Shinshu University School of Medicine, Japan
4. Division of Immunology, Shigei Medical Research Institute, Japan
5. Department of Pathology, The Jikei University School of Medicine, Japan