Affiliation: | 1. Division of Allergy and Clinical Immunology, Brigham and Women’s Hospital, Boston, Mass;2. Harvard Medical School, Boston, Mass;3. Division of Allergy and Immunology, University of Michigan, Ann Arbor, Mich;4. Department of Medicine, University of Toledo, Toledo, Ohio;5. Division of Gastroenterology, Endoscopy, and Hepatology, Brigham and Women’s Hospital, Boston, Mass;6. Department of Allergology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands;7. Laboratory of Allergic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Md;8. Department of Pathology, Brigham and Women’s Hospital, Boston, Mass |