1. Allergy Department Hospital los Madroños Brunete, Madrid Spain
2. Usher Institute University of Edinburgh UK
3. Primary Care and Population Sciences University of Southampton Southampton UK
4. Allergy and Immunology Unit ASST Grande Ospedale Metropolitano Niguarda Milan Italy
5. General Practitioners Research Institute Groningen the Netherlands
6. GRIAC Research Institute University Medical Center Groningen University of Groningen Groningen The Netherlands
7. Department of Pediatric Pulmonology and Pediatric Allergology University Medical Center Groningen Beatrix Children's Hospital University of Groningen Groningen The Netherlands
8. Department of Internal Medicine, Allergology and Clinical Immunology Silesian University of Medicine Katowice Poland
9. Mandore Sattelite Hospital Jodhpur India
10. Quality Use of Respiratory Medicines Group Woolcock Institute of Medical Research University of Sydney NSW Australia