Affiliation: | 1. Cincinnati Children''s Hospital Medical Center (EC Lendrum, KR Peterson, and Y Zhang), Cincinnati, Ohio;2. Division of Emergency Medicine, Cincinnati Children''s Hospital Medical Center (MA Gittelman and WJ Pomerantz), Cincinnati, Ohio;3. Division of General and Community Pediatrics, Cincinnati Children''s Hospital Medical Center (MD Klein and AF Beck), Cincinnati, Ohio;4. Division of Biostatistics and Epidemiology, Cincinnati Children''s Hospital Medical Center (Y Zhang), Cincinnati, Ohio;5. University of Cincinnati College of Medicine (KR Peterson, MA Gittelman, MD Klein, WJ Pomerantz, and AF Beck), Cincinnati, Ohio;2. Department of Pediatrics, Division of Allergy and Immunology, The University of British Columbia, Vancouver, Canada;3. Division of Immunology, Boston Children''s Hospital, Harvard Medical School, Boston, Massachusetts;4. Division of Allergy and Clinical Immunology, Brigham and Women''s Hospital, Harvard Medical School, Boston, Massachusetts |