Sections View Full Chapter Figures Tables Videos Annotate Full Chapter Figures Tables Videos Supplementary Content + Download Section PDF ++ Robert G. Wells, MD ++ Pediatric Diagnostic Imaging, SC ++ PDI Pediatric Teleradiology ++ Milwaukee, Wisconsin ++ Director, Pediatric Imaging ++ Northwestern Lake Forest Hospital ++ Lake Forest, Illinois ++ Associate Clinical Professor of Radiology and Pediatrics ++ Medical College of Wisconsin ++ Milwaukee, Wisconsin