1. Department of Nephrology and Rheumatology, Toranomon Hospital Kajigaya, Japan
2. Department of Nephrology, Saga University Internal Medicine, Japan
3. Okinaka Memorial Institute for Medical Research, Toranomon Hospital, Japan
4. Department of Nephrology and Rheumatology, Toranomon Hospital, Japan
5. Department of Ophthalmology, the Cancer Institute Hospital of JFCR, Japan
6. Department of Pathology, Toranomon Hospital, Japan
7. Yamaguchi's Pathology Laboratory, Japan