1. Department of Physiotherapy, Faculty of Medicine and Health, Örebro University, Örebro, Sweden
2. Department of Medical Sciences, Uppsala University, Uppsala, Sweden
3. Department of Physiotherapy, Monash University, Melbourne, Australia
4. Monash Lung and Sleep, Monash Health, Melbourne, Australia
5. Department of Medical Sciences, Respiratory, Allergy and Sleep Research, Uppsala University, Uppsala, Sweden