H Ridha1, A N Morritt2, S H Wood2. 1. Department of Plastic and Reconstructive Surgery, Charing Cross Hospital, Imperial College Healthcare NHS Trust, Fulham Palace Road, London W6 8RF, UK. Electronic address: hyder.ridha@gmail.com. 2. Department of Plastic and Reconstructive Surgery, Charing Cross Hospital, Imperial College Healthcare NHS Trust, Fulham Palace Road, London W6 8RF, UK.