1. Departments of Pneumology and Respiratory Rehabilitation, University Hospital Leuven and Faculty of Kinesiology and Rehabilitation Sciences, Katholieke Universiteit Leuven, Leuven, Belgium
2. Centre for Evidence Based Physiotherapy, Department of Epidemiology and Research Institute CAPHRI, Maastricht University, The Netherlands
3. Departamento de Fisioterapia, Universidade Norte do Paraná-UNOPAR, Londrina, Brazil
4. Research and Innovation Group in Health Care and Nursing, Hanze University, Applied Sciences, Groningen
5. Department of Physical Therapy, Erasmus Medical Centre, Rotterdam
6. Physical Therapy Practice Verhoef Utrecht, Utrecht
7. Hogeschool Leiden, University of Applied Sciences, Leiden, Free University Medical Centre Amsterdam
8. University Lung Centre Dekkerswald, Radboud University Medical Centre Nijmegen, Nijmegen, The Netherlands
9. Departments of Pneumology and Respiratory Rehabilitation, University Hospital Leuven and Faculty of Kinesiology and Rehabilitation Sciences, Katholieke Universiteit Leuven, Leuven
10. Department of Pneumology, CHU Saint-Pierre, ULB (Université Libre de Bruxelles
11. Department of Pneumology, Cliniques Universitaires Saint Luc, Université Catholique de Louvain, Brussels, Belgium
12. Research Institute CAPHRI, Department of General Practice, Maastricht University, The Netherlands
13. Departments of Pneumology and Respiratory Rehabilitation, University Hospital Leuven and Faculty of Kinesiology and Rehabilitation Sciences, Katholieke Universiteit Leuven, Leuven, Belgium,