1. Department of Otorhinolaryngology; Head and Neck Surgery and Audiology; Rigshospitalet Copenhagen Denmark
2. Department of Clinical Microbiology; Rigshospitalet Copenhagen Denmark
3. Institute of Immunology and Microbiology; University of Copenhagen; Copenhagen Denmark
4. Danish Primary Ciliary Dyskinesia (PCD) Centre; Pediatric Pulmonary Service; Department of Pediatrics and Adolescent Medicine; Rigshospitalet Copenhagen Denmark