Affiliation: | (1) Department of Pediatrics, Toho University Medical Center, Sakura Hospital, 564-1 Shimoshizu, Sakura, Chiba 285-8741, Japan;(2) Department of Nephrology, Toho University Medical Center, Omori Hospital, Tokyo, Japan;(3) Department of Pathology, Toho University Medical Center, Omori Hospital, Tokyo, Japan;(4) Department of Pediatrics, Social Insurance Sagamino Hospital, Kanagawa, Japan;(5) Department of Pediatrics, St Marianna University School of Medicine, Kanagawa, Japan |