Institution: | 1. Yokohama Medical Network for Maltreated Children, Child and Youth Bureau, Yokohama Municipal Government, Yokohama, Kanagawa, Japan;2. Department of Pediatrics, Yokohama Rosai Hospital, Yokohama, Kanagawa, Japan;3. Department of Pediatrics, Yokohama City Minato Red Cross Hospital, Yokohama, Kanagawa, Japan;4. Department of Pediatrics, Yokohama City University Graduate School of Medicine, Yokohama, Kanagawa, Japan |