1 Dept of Microbiology Immunology & Transplantation, KU Leuven, Catholic University of Leuven, Leuven, Belgium; Dept of Clinical Pharmacy & Pharmacology, UMCG, Groningen, the Netherlands; Dept of Respiratory Medicine & Allergology, Institute for Clinical Science, Skane University Hospital, Lund, Sweden; Depart of Respiratory MedicineFirst Faculty of Medicine, Charles University and Thomayer HospitalPrague, Czech Republic. Electronic address: z.diamant@4gems.nl.