1 Department of Plastic Surgery, Royal Free Hospital, London; Charles Wolfson Centre for Reconstructive Surgery, Royal Free Hospital, London; and Division of Surgery & Interventional Science, University College London, UK. b.langridge1@nhs.net.
2 Department of Plastic Surgery, Royal Free Hospital, London; Charles Wolfson Centre for Reconstructive Surgery, Royal Free Hospital, London; and Division of Surgery & Interventional Science, University College London, UK.
3 Centre for Rheumatology, UCL Division of Medicine and Royal Free London NHS Foundation Trust Hospital, London, UK.