Nose Diseases

• 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

Not specified

• Hospital General de Ciudad Real — Ciudad Real, Spain
• Clinica Ojeda — Madrid, Spain
• Clinica Subiza — Madrid, Spain
• Complejo Hospitalario de Navarra — Pamplona, Navarre, Spain

• 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