1. Blond McIndoe Centre, Queen Victoria Hospital, East Grinstead, UK.
2. Corneo-Plastic Unit, Queen Victoria Hospital, East Grinstead, UK.
3. Department of Pharmacy and Biomolecular Sciences, University of Brighton, Brighton, UK; current affiliation: Department of Pathology, University of Cambridge Addenbrookes Hospital, Cambridge, UK.
4. Current affiliation: Smith and Nephew, York, UK.