Affiliation: | 1. Department of Radiology, The Children''s Hospital of Philadelphia, 34th Street & Civic Center Boulevard, Philadelphia, PA 19104, USA;2. Department of Pediatrics, The Children''s Hospital of Philadelphia, 34th Street & Civic Center Boulevard, Philadelphia, PA 19104, USA;1. Department of Psychology, University of Waterloo, Canada;2. Department of Psychology, Yale University, USA |