1. Division of Nephrology and Rheumatology; National Center for Child Health and Development; Tokyo Japan
2. Department of Pediatrics, Graduate School of Medicine; Yokohama City University; Yokohama Japan
3. Department of Radiology; National Center for Child Health and Development; Tokyo Japan
4. Department of Pediatrics, Institute of Biomedical Sciences; Tokushima University Graduate School; Tokushima Japan
5. Department of Pediatric Nephrology; Tokyo Women's Medical University; Tokyo Japan
6. Department of Pediatric Nephrology; Toho University Faculty of Medicine; Tokyo Japan
7. Department of Pediatrics; Kobe University Graduate School of Medicine; Kobe Japan
8. Department of Clinical Genetics; Hyogo Prefectural Kobe Children's Hospital; Kobe Japan
9. Department of Kidney and Vascular Pathology, Faculty of Medicine; University of Tsukuba; Ibaraki Japan
10. Department of Pathology; National Center for Child Health and Development; Tokyo Japan
11. Department of Pathology; Federation of National Service Personnel Mutual Aid Associations, Tachikawa Hospital; Tokyo Japan