1. Department of Plastic, Reconstructive and Hand Surgery, Radboud Institute of Health Research, Radboud University Medical Centre, Nijmegen, The Netherlands
2. Nuffield Department of Surgical Sciences, University of Oxford, Oxford, UK
3. Leeds Institute for Medical Research, University of Leeds, Leeds, UK
4. Department of Plastic, Reconstructive and Hand Surgery, Leeds Teaching Hospitals Trust, Leeds, UK
5. Department of Plastic, Reconstructive and Hand Surgery, Jeroen Bosch Hospital, ‘-Hertogenbosch, Netherlands
6. Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK
7. Clinical Trials Unit, Warwick Medical School, Warwick, UK
8. Department of Plastic, Reconstructive, and Hand Surgery, Stoke Mandeville Hospital, Aylesbury, UK