1. Viro-immunology Research Unit, Department of Infectious Diseases, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
2. Department of Clinical Microbiology, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
3. Department of Pulmonary Medicine and Infectious Diseases, Copenhagen University Hospital, North Zealand, Denmark
4. CF Centre Copenhagen, Paediatric Pulmonary Service, Department of Paediatrics and Adolescent Medicine and Department of Infectious Diseases, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark
5. Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark