1 Reconstructive Surgery and Regenerative Medicine Research Group, Institute of Life Sciences 2, Swansea University, SA2 8QA, UK; Welsh Centre for Burns and Plastic Surgery, Morriston Hospital, Swansea, UK. Electronic address: thjovic@doctors.org.uk.
2 Reconstructive Surgery and Regenerative Medicine Research Group, Institute of Life Sciences 2, Swansea University, SA2 8QA, UK; Welsh Centre for Burns and Plastic Surgery, Morriston Hospital, Swansea, UK.