1. Professor in Orthopaedics. Orthopaedic Research Institute, Bournemouth University, and Physiotherapy Department, University Hospitals Dorset, Bournemouth
2. Head Clinical Nurse, Department of Surgical Pathophysiology, Rigshospitalet, Copenhagen University, Denmark
3. Professor, Department of Surgical Pathophysiology, Rigshospitalet, Copenhagen University, Denmark, and Chair, Lundbeck Foundation Centre for Fast-track Hip and Knee Replacement, Copenhagen, Denmark