1. Department of Orthopaedics and Trauma, Royal Adelaide Hospital, South Australia, Australia
2. Dartford and Gravesham NHS Trust, Darent Valley Hospital, Dartford, Kent, UK
3. Department of Orthopaedics and Trauma, Royal Infirmary of Edinburgh, UK
4. Zayed Military Hospital, Abu Dhabi, United Arab Emirates
5. Royal National Orthopaedic Hospital, Brockley Hill, Stanmore, UK
6. Royal Adelaide Hospital, Adelaide, SA, Australia