1. Department of Medicine Huddinge Center for Infectious Medicine Karolinska Institutet Karolinska University Hospital Huddinge Stockholm Sweden
2. Clinical Lung and Allergy Research Unit Medical Unit for Lung and Allergy Diseases Karolinska University Hospital Huddinge Stockholm Sweden
3. ENT Unit Sophiahemmet University Research Laboratory and Sophiahemmet Hospital Stockholm Sweden
4. Department of Neurology Karolinska University Hospital Stockholm Sweden