1. From the Division of Immunology, Allergy and Rheumatology, University of Cincinnati College of Medicine, Cincinnati, Ohio;
2. ALK, Hørsholm, Denmark;
3. Division of Allergy and Immunology, Department of Medicine, The George Washington University School of Medicine and Health Sciences, Washington, D.C.;
4. Medical College of Georgia at Augusta University, Augusta, Georgia;
5. Division of Allergy and Immunology, Department of Medicine, Queen's University, Kingston, Ontario, Canada;
6. Department of Medicine, National Jewish Health, Denver, Colorado; and
7. ALK, Bedminster, New Jersey