1. Department of Orthopaedics, Sahlgrenska Academy, Institute of Clinical Sciences University of Gothenburg Gothenburg Sweden
2. Faculty of Caring Sciences Work Life & Social Welfare Boras University Boras Sweden
3. Department of Orthopaedics Sahlgrenska University Hospital Gothenburg Sweden
4. Department of Health and Rehabilitation, Sahlgrenska Academy, Institute of Neuroscience and Physiology University of Gothenburg Gothenburg Sweden
5. Sahlgrenska Academy, Institute of Health and Care Sciences University of Gothenburg Gothenburg Sweden