1. From the Department of Diagnostic Imaging, Hospital Sant Joan de Deu, Av. Sant Joan de Deu 2, CP 08950 Esplugues de Llobregat, Barcelona, Spain (E.J.I.C.); Department of Diagnostic Imaging (J.D.L., S.P.K., R.R.) and Children Skin Center (A.M.D.), Miami Children's Hospital, Miami, Fla; and Ross University School of Medicine, Miramar, Fla (T.R.M.).