1. From the Departments of Medicine (C.J., H.K., M.L.S., A.G., J.L.G.-B., P.S., J.L.L.-C., J.P.-B.) and Radiology IDIMAS-CRC Mar (N.C.), Hospital del Mar, Barcelona, Spain; and the Universidad Autónoma de Barcelona (C.J., H.K., J.L.G.-B., P.S., J.L.L.-C., J.P.-B.), Spain.