1. Liverpool University Hospitals NHS Foundation Trust, Liverpool, UK
2. Faculty of Health and Life Sciences, University of Liverpool, Liverpool, UK
3. Department of Plastic Surgery, Hand Surgery, and Burns, Faculty of Medicine and Health Sciences, Linköping University, Linköping, Sweden
4. Martin Singer Hand Unit, Groote Schuur Hospital, Cape Town, South Africa
5. Maitland Hospital, University of Newcastle clinical school, Maitland, NSW, Australia
6. Southend University Hospital, Mid and South Essex NHS Trust, Southend On Sea, UK