| Affiliation: | 2. Department of Emergency Medicine, Department of Pediatrics, Medical College of Wisconsin, Milwaukee, WI;3. Pediatric Emergency Medicine, Children''s National Medical Center, Washington, DC;4. Department of Clinical Surgery, Columbia University College of Physicians and Surgeons, New York, NY;2. Pediatric Emergency Medicine, Department of Emergency Medicine, Oregon Health & Science University, Portland, OR;3. Kosair Children’s Hospital, Department of Pediatrics, University of Louisville School of Medicine, Louisville, KY;4. Department of Emergency Medicine, Oregon Health & Science University, Portland, OR;6. Department of Emergency Medicine & Pediatrics, Oregon Health & Science University, Portland, OR;2. Colorado EMS for Children Program, Section of Pediatric Emergency Medicine, University of Colorado Denver School of Medicine, Aurora, CO;3. Section of Pediatric Emergency Medicine, Children''s Hospital Colorado, University of Colorado Denver School of Medicine, Aurora, CO |
