1 Division of Rheumatology, Allergy and Immunology, Department of Medicine, Massachusetts General Hospital, Boston, Mass; Harvard Medical School, Boston, Mass. Electronic address: kblumenthal@mgh.harvard.edu.
2 Department of Pulmonology, Division of Allergy, Hôpital Arnaud de Villeneuve, University Hospital of Montpellier, Montpellier, France; UPMC Univ Paris, UMRS; Equipe-EPAR-IPLESP, Sorbonne Universités, Paris, France.
3 Division of Allergy and Immunology, Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, Texas.