1. Department of Pulmonary Medicine, German Clinic for Diagnostics (DKD), Wiesbaden, Germany
2. Department of Chest Medicine, Erasme University Hospital, Brussels, Belgium
3. Department of Pediatrics, University Hospital Wuerzburg, Germany
4. Regional Adult CF Centre, Belfast City Hospital, Belfast, UK
5. Lung Transplant Unit, Hospital Universitario La Fe, Valencia, Spain
6. Centre for Infection and Immunity, Queens University, Belfast and Adult CF Centre BHSCT, UK
7. Cystic Fibrosis Center, Department of Pediatrics, Medical University Innsbruck, Innsbruck, Austria
8. Paediatric Respiratory Medicine and Lung Transplantation, Great Ormond Street Hospital, London, UK
9. Institute for Medical Microbiology and Infection Control, Goethe University Hospital Frankfurt, Germany
10. Department of Pneumology, Goethe University Hospital Frankfurt, Germany
11. Department of Pneumology, Frankfurt University Hospital, Building 15B,Theodor-Stern-Kai 7, 60590 Frankfurt, Germany