1. Department of Orthopaedic Surgery, Copenhagen University Hospital Hvidovre, Hvidovre, Denmark
2. Physical Medicine and Rehabilitation Research–Copenhagen (PMR-C), Department of Physiotherapy, Copenhagen University Hospital Hvidovre, Hvidovre, Denmark
3. Clinical Research Centre, Copenhagen University Hospital Hvidovre, Hvidovre, Denmark
4. Department of Anesthesiology and Intensive Care, Copenhagen University Hospital Hvidovre, Hvidovre, Denmark