1 Department of Pediatric Respiratory Medicine, Immunology and Critical Care Medicine, Division of Cystic Fibrosis, Charité - Universitätsmedizin Berlin, Berlin, Germany stephanie.thee@charite.de.
2 Berlin Institute of Health (BIH), Berlin, Germany.
3 Department of Medical Microbiology, University Medical Center Utrecht, Utrecht, The Netherlands.
4 Royal Brompton Hospital, Guy's and St. Thomas' NHS Foundation Trust, London, UK.
5 MRC Centre of Global Infectious Disease Analysis, Imperial College London, London, UK.