1. The University of Edinburgh, Edinburgh, UK
2. Edinburgh Orthopaedics, Royal Infirmary of Edinburgh, Edinburgh, UK
3. Department of Orthopaedic Surgery, Stanford University School of Medicine, California, USA
4. Department of Orthopaedic Surgery, Hospital for Special Surgery, New York, USA
5. Centre for Sport and Exercise, University of Edinburgh, Edinburgh, UK
6. Medical and Scientific Department, European Tour Golf, Virginia Water, UK
7. Department of Orthopaedic Surgery, University College London, London, UK