title: Editorial comment.
authors.forename: Michael H
authors.initials: MH
authors.lastname: Hsieh
mesh_terms: D002675:Child, Preschool; D006801:Humans; D007223:Infant; D007668:Kidney / Q000000981:diagnostic imaging* / Q000473:pathology*; D007674:Kidney Diseases / Q000000981:diagnostic imaging* / Q000209:etiology / Q000473:pathology*; D008279:Magnetic Resonance Imaging; D009929:Organ Size; D014463:Ultrasonography; D014718:Vesico-Ureteral Reflux / Q000150:complications*