Rhinitis

• Universitätsklinikum Bonn Klinik u. Poliklinik f. Dermatologie — Bonn, Germany
• Practice Blum — Dortmund, Germany
• Uni-Klinikum Carl Gustav Carus Klinik und Poliklinik für HNO — Dresden, Germany
• Practice Thieme — Duisburg, Germany

• Dr. P. van Durme — Antwerp, Belgium
• Centrum Gespecialiseerde Geneeskunde Genk — Genk, Belgium
• UZ Gent, Dienst NKO, 1P1 — Ghent, Belgium
• UZ Gasthuisberg, Afd. Allergie/Immunologie — Leuven, Belgium

Not specified

• Dept. of Otorhinolaryngology and Head and Neck Surgery — Düsseldorf, Germany

• Bangalore, Karnataka, India

• Asthma and Rhinitis Control Program — Itumbiara, Goiás, Brazil

• Luigi Sacco Hospital — Milan, Italy

• Department of Pneumonology and Allergy, Medical University of Lodz — Lodz, Poland

• University Hospital Brugmann — Brussels, Belgium
• University Hospital Ghent — Ghent, Belgium
• University Hospital Gasthuisberg — Leuven, Belgium
• University Hospital Sart Tilman — Liège, Belgium

Not specified