Affiliation: | 1. Department of Nephrology, Tokyo Metropolitan Children's Medical Center, Tokyo, Japan;2. Clinical Research Support Center, Tokyo Metropolitan Children's Medical Center, Tokyo, Japan;3. Department of Pediatrics, Shiga University of Medical Science, Shiga, Japan;4. Department of Pediatric Nephrology, Toho University Faculty of Medicine, Tokyo, Japan;5. Department of Pathology and Laboratory Medicine, Tokyo Metropolitan Children's Medical Center, Tokyo, Japan;6. Division of Pathology, Tachikawa Hospital, Federation of National Public Service Personnel Mutual Aid Associations, Tokyo, Japan |