1. Department of Physiotherapy and Occupational Therapy, Aalborg University Hospital, Aalborg, Denmark
2. Department of Physiotherapy, Faculty of Medicine and Health, Örebro University, Örebro, Sweden
3. Department of Medical Sciences, Uppsala University, Uppsala, Sweden
4. Department of Cardiothoracic Surgery, Aalborg University Hospital, Aalborg, Denmark
5. Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
6. Faculty of Medicine and Health, Respiratory and Critical Care Group (rcare), Aalborg University, Aalborg, Denmark