1. Department of Pulmonary Diseases and Clinical Allergology, University of Turku, Finland; Finnish Lung Health Association (FILHA), Helsinki, Finland
2. Department of Experimental and Clinical Medicine, University of Florence, Italy
3. Department of Medical Sciences, Respiratory, Allergy and Sleep Research, Uppsala University, Sweden
4. Faculty of Medicine and Health Technology, Tampere University, Finland; Allergy Centre, Tampere University Hospital, Finland
5. Department of Medicine, University of Cape Town Lung Institute, Republic of South Africa
6. Division of Immunology, Immunity to Infection and Respiratory Medicine, School of Biological Sciences, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, The University of Manchester, UK; Medicines Evaluation Unit, Manchester University NHS Foundation Trust, UK
7. Department of Respiratory Medicine, Copenhagen University Hospital-Hvidovre, Denmark
8. Division of Immunology, Immunity to Infection and Respiratory Medicine, School of Biological Sciences, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, The University of Manchester, UK
9. Cátedra Salud Respiratoria, Universitat de Barcelona, Spain; Institut Respiratori, Hospital Clinic, Barcelona, Spain; Institut d’Investigacions Biomediques August Pi i Sunyer (IDIBAPS), Barcelona, Spain; CIBER Enfermedades Respiratorias, Barcelona, Spain