1. Reconstructive Surgery and Regenerative Medicine Group, Swansea University Medical School, Swansea; Welsh Centre for Burns and Plastics, Abertawe Bro Morgannwg University Health Board, Morriston Hospital, Swansea, UK
2. Queen Victoria Hospital, East Grinstead, UK
3. Nottingham University Hospitals, Nottingham, UK
4. Oxford University Hospitals NHS Trust, Oxford, UK