Affiliation: | 1. AARA Research Center, Dallas, TX, USA;2. Asthma & Allergy Associates, Colorado Springs, CO, USA;3. Marycliff Allergy Specialists, Spokane, WA, USA;4. Oregon Allergy Associates, Eugene, OR, USA;5. Institute for Allergy and Asthma, Chevy Chase, MD, USA;6. ViroPharma Incorporated (part of the Shire Group of Companies), Exton, PA, USA |