1. Faculty of Medicine University of Iceland Reykjavik Iceland
2. Department of Immunology Landspitali – The National University Hospital of Iceland Reykjavik Iceland
3. Heilsugæslan Gardabaer Gardabaer Iceland
4. Faculty of Family Medicine University of Iceland Reykjavik Iceland
5. Department of Respiratory Medicine, Allergy and Sleep Landspitali – The National University Hospital of Iceland Reykjavik Iceland
6. AstraZeneca Nordic Södertälje Sweden
7. Statisticon AB Uppsala Sweden
8. Formerly of AstraZeneca R&D Macclesfield UK
9. Faculty of Pharmaceutical Sciences University of Iceland Reykjavik Iceland