1. Department of Biomedical Engineering, University of Strathclyde, Glasgow, UK
2. Department of Orthopaedics, NHS Ayrshire & Arran, Glasgow, UK
3. Department of Orthopaedics, NHS Greater Glasgow & Clyde, Glasgow, UK
4. Department of Orthopaedics, NHS Lanarkshire, Glasgow, UK
5. Rosshall Hospital, Glasgow, UK