1. The Royal Centre for Defence Medicine, University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK
2. Pulvertaft Hand Unit, Derby Royal Hospital, Derby, UK
3. Queen Alexandra Hospital Hand Unit, Portsmouth Hospitals University NHS Trust, Portsmouth, UK
4. The Birmingham Hand Centre, University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK
5. Department of Plastic, Reconstructive and Hand Surgery, Amsterdam UMC, Amsterdam, The Netherlands
6. The Peripheral Nerve Injury Service, University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK