1. Sport and Exercise Medicine Department, Queen Mary University of London, London, UK
2. Medical Department, Tottenham Hotspur Football Club, London, UK
3. The Football Association, Technical Directorate, Burton-upon-Trent, UK
4. Faculty of Sport, Health and Applied Science, St Mary’s University Twickenham, Twickenham, UK
5. Department of Orthopaedic Surgery, Amsterdam Movement Sciences, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands