University of California, Irvine, University of Groningen - University Medical Center Groningen, University of Groningen - University Medical Center Groningen, Mount Sinai Health System - Icahn School of Medicine, Imperial College London, University of Ferrara, Università di Modena e Reggio Emilia, Christian Albrechts University Kiel - LungenClinic, University of Ferrara - Respiratory Medicine, University of Leicester - Institute for Lung Health, The University of Manchester - Centre for Respiratory Medicine and Allergy, University of Groningen - University Medical Center Groningen, Chiesi Farmaceutici SpA, University of Groningen - Groningen Research Institute for Asthma and COPD, University of Groningen - Department of Pathology and Medical Biology, University of Groningen - Department of Pathology and Medical Biology, University of Groningen - University Medical Center Groningen and University of Groningen - Groningen Research Institute for Asthma and COPD