1 American Academy of Allergy, Asthma & Immunology, Denver, Colo.
2 Department of Allergy, Kaiser Permanente Southern California, San Diego, Calif; Department of Research and Evaluation, Kaiser Permanente Southern California, Pasadena, Calif.
3 Jaffe Food Allergy Institute, Icahn School of Medicine at Mount Sinai, New York, NY.
4 Department of Internal Medicine, Division of Allergy & Immunology, University of Texas Southwestern Medical Center, Dallas, Texas.
5 Department of Allergy, Kaiser Permanente Southern California, San Diego, Calif. Electronic address: Michael.x.schatz@kp.org.