1 Department of Pulmonology, Franciscus Gasthuis & Vlietland, Rotterdam, The Netherlands.
2 Department of Pulmonology, NorthWest Clinics, Alkmaar, The Netherlands.
3 Department of Pharmacokinetics, Toxicology and Targeting, Groningen Research Institute for Pharmacy, University of Groningen, Groningen, The Netherlands.
4 GRIAC Research Institute, University Medical Centre Groningen, University of Groningen, Groningen, The Netherlands.
5 Department of Pulmonology, Leiden University Medical Centre, Leiden, The Netherlands.
6 Department of Pulmonary Medicine, University Hospital Essen-Ruhrlandklinik, Essen, Germany.
7 Allergy and Clinical Immunology, Immunomodulation and Tolerance Group, Inflammation Repair and Development, Imperial College, National Heart and Lung Institute, London, UK.
8 Department of Pulmonary Disease, Erasmus MC, Rotterdam, The Netherlands.