Hypersensitivity, Immediate

• Research Site — Birmingham, Alabama, United States
• Research Site — Huntsville, Alabama, United States
• Research Site — Mobile, Alabama, United States
• Research Site — Montgomery, Alabama, United States

• DE-008 Lungenarztpraxis Hellersdorf — Berlin, Germany
• DE-003 Praxis Pneumologie und Allergologie Dr. Ginko — Bonn, Germany
• DE-005 Praxis für Pneumologie und Innere Medizin — Fürstenwalde, Germany
• DE-006 Studieninstitut des Pneumologicums Halle — Halle, Germany

• Boston Children's Hospital — Boston, Massachusetts, United States

• University of Pennsylvania — Philadelphia, Pennsylvania, United States

• Allergic Unit at the Department of Oto-Rhino-Laryngology at Skåne University Hospital Lund — Lund, Sweden
• Allergic Unit at the Department of Oto-Rhino-Laryngology at Skåne University Hospital Malmö — Malmö, Sweden
• ENT department, Karolinska University Hospital — Stockholm, Sweden

• University of Arizona — Tucson, Arizona, United States
• University of Vermont — Burlington, Vermont, United States

Not specified

• Eskisehir Osmangazi Universty — Eskişehir, Turkey (Türkiye)

• Case Western Reserve University — Cleveland, Ohio, United States

• Asthma Institute, UNiversity of Pittsburgh and University of Pittsburgh School of Medicine — Pittsburgh, Pennsylvania, United States