1. Department of Orthopaedics, Golden Jubilee National Hospital, Agamemnon Street, Glasgow, Scotland
2. Department of Orthopaedics, Royal Alexandra Hospital NHS Trust, Corsebar Road, Paisley, Scotland
3. Department of Orthopaedics, Royal Hospital for Sick Children, NHS Lothian, 9 Sciennes Road, Edinburgh
4. Department of Orthopaedics, Glasgow Royal Infirmary, 84 Castle Street, Glasgow, Scotland, G4 0SF