1. Allergy and Asthma Medical Group and Research Center Department of Pediatrics, University of California, San Diego, San Diego, California (Dr Meltzer);, Department of Medicine, University of Arizona, Phoenix and Tucson, Allergy Asthma Clinic LTD, Phoenix, Arizona
2. Division of Rheumatology, Allergy and Immunology, Massachusetts General Hospital, Boston, Massachusetts (Dr Hamilos);
3. Department of Otolaryngology, University of Rochester Medical Center, Rochester, New York (Dr Hadley);
4. Sinus and Nasal Institute of Florida, PA, St Anthony's Carillon Outpatient and Wellness Center, St Petersburg, Florida (Dr Lanza);
5. Department of Otolaryngology, UT Southwestern Medical Center, Dallas, Texas (Dr Marple);
6. Department of Medicine, George Washington Medical Center, Washington, DC (Dr Nicklas);
7. Department of Pediatrics and Pharmacology, University of Colorado Health Sciences, Denver, Colorado (Dr Adinoff);
8. ENT Clinic, University Hospital, Ghent, Belgium (Dr Bachert);
9. Department of Medicine, Asthma and Allergic Diseases Center, University of Virginia Health System, Charlottesville, Virginia (Dr Borish);
10. Department of Health Evaluation Science, Penn State College of Medicine, Hershey, Pennsylvania (Dr Chinchilli);
11. Distinguished Clinical Research Fellow, Schering Plough Research Institute, Kenilworth, NJ (Dr Danzig);
12. Division of Sino-nasal Disorder and Allergy, Department of Otolaryngology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania (Dr Ferguson);
13. ENT Department, Academic Medical Centre Hospital, University of Amsterdam, Amsterdam, The Netherlands (Dr Fokkens);
14. Clinical Microbiology Laboratories, Mount Sinai Medical Center, New York, New York (Dr Jenkins);
15. Department of Rhinology, University College London, London, United Kingdom (Dr Lund);
16. Department of Radiology, University of California, San Diego, San Diego, California (Dr Mafee);
17. Department of Otolaryngology-Head and Neck Surgery, University of Chicago, Chicago, Illinois (Dr. Naclerio);
18. Nippon Medical School, Tokyo, Japan (Dr Pawankar);
19. University of Buffalo (The State University of New York) Buffalo, New York (Dr Ponikau);
20. Department of Medicine, University of Arizona, Phoenix and Tucson, Allergy Asthma Clinic LTD, Phoenix, Arizona
21. Department of Internal Medicine, St Louis University School of Medicine, St Louis, Missouri
22. Department of Otolaryngology, Weill Cornell Medical College, New York, New York (Dr Stewart);
23. Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland (Dr Togias);
24. Department of Pediatrics, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin (Dr Wald);
25. Department of Otolaryngology, University of Virginia Health System, Charlottesville, Virginia.