Cathy M Malcolm1, Muhammad Umair Javed2, Dai Nguyen2. 1. Welsh Centre for Burns and Plastic Surgery, Morriston Hospital, Swansea, SA6 6NL, United Kingdom. Electronic address: cathymalcs@gmail.com. 2. Welsh Centre for Burns and Plastic Surgery, Morriston Hospital, Swansea, SA6 6NL, United Kingdom.