1 Department of Trauma and Orthopaedics, Forth Valley Royal Hospital, Stirling Road, Larbert FK5 4WR, United Kingdom.
2 Orthopaedics Surgery and Sports Medicine Department, FIFA Medical Center of Excellence, Croix-Rousse Hospital, Lyon University Hospital, Lyon, France.
3 Service de chirurgie orthopédique, hôpital Roger-Salengro, centre hospitalo-universitaire de Lille, Lille, France.
4 Department of Trauma and Orthopaedics, Forth Valley Royal Hospital, Stirling Road, Larbert FK5 4WR, United Kingdom. Electronic address: Donald.Hansom2@nhs.scot.