1 American Academy of Allergy and Clinical Immunology, Denver, Colo. Electronic address: dangel@aaaai.org.
2 Department of Allergy, Kaiser Permanente Medical Care Program, San Diego, Calif.
3 Kaiser Permanente Bernard J. Tyson School of Medicine, Department of Clinical Science, Pasadena, Calif.
4 Division of Pediatric Allergy and Immunology, Jaffe Food Allergy Institute, Department of Pediatrics, Icahn School of Medicine at Mount Sinai, New York, NY.
5 Division of Allergy and Immunology, Department of Internal Medicine, University of Texas Southwestern, Dallas, Texas.