Affiliation: | 1. Division of Emergency Medicine, Department of Pediatrics, University of Minnesota Children''s Hospital, Minneapolis, MN;2. Division of Hematology and Oncology, Department of Pediatrics, Children''s Hospital Los Angeles, Los Angeles, CA;3. Biostatistician II, Biostatistics Core, Clinical Research Support Office, Children''s Hospital Los Angeles, Los Angeles, CA;4. Division of Emergency and Transport Medicine, Department of Pediatrics, Children''s Hospital Los Angeles, University of Southern California and Keck School of Medicine, Los Angeles, CA |