Affiliation: | 1. Medical Department, Stallergenes Ibérica, Barcelona, Spain;2. Hospital Universitari Vall d''Hebron, Barcelona, Spain;3. Hospital Universitario Virgen Macarena, Seville, Spain;4. Clínica de Asma y Alergia Dres, Ojeda, Madrid, Spain;5. Complejo Hospitalario de Navarra, Pamplona, Spain;6. Hospital Regional Universitario Carlos Haya, Málaga, Spain;g Complejo Hospitalario Universitario de Santiago, Santiago de Compostela, Spain;h Health Outcomes Research Department, 3D Health Research, Barcelona, Spain |