1 Centre for Exercise and Rehabilitation Science and Institute for Lung Health, NIHR Leicester Biomedical Research Centre - Respiratory, Leicester, UK.
2 Dept of Respiratory Sciences, University of Leicester, Leicester, UK.
3 All authors contributed equally.
4 Dept of Pulmonary Diseases/Home Mechanical Ventilation, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands.
5 Groningen Research Institute for Asthma and COPD, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands.
6 Dept of Respiratory Medicine, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands.
7 Dept of Clinical Pharmacy, Faculty of Pharmacy, Assiut University, Assiut, Egypt.
8 Dept of Diagnostics and Public Health, Unit of Epidemiology and Medical Statistics, University of Verona, Verona, Italy.
9 The Generation R Study Group, Erasmus MC, University Medical Center, Rotterdam, The Netherlands.
10 Dept of Pediatrics, Division of Respiratory Medicine and Allergology, Erasmus MC, University Medical Center, Rotterdam, The Netherlands.
11 Servicio de Neumología, Hospital Universitario Vall d'Hebron, Departamento de Medicina, Universitat Autònoma de Barcelona, Barcelona, Spain.
12 Dept of Respiratory Medicine, CHU de Caen, Caen, France.
13 Pulmonary Hypertension Research Group, Centre de Recherche de l'Institut Universitaire de Cardiologie et de Pneumologie de Québec, Québec, QC, Canada.
14 Royal Brompton and Harefield NHS Foundation Trust, National Heart and Lung Institute, Imperial College, London, UK.
15 REVAL- Rehabilitation Research Center, BIOMED - Biomedical Research Institute, Faculty of Rehabilitation Sciences, Hasselt University, Diepenbeek, Belgium.