1 Department of Plastic and Reconstructive Surgery, St. Mary's Hospital, Imperial College NHS Trust, London, UK. Electronic address: [email protected].
2 Department of Plastic Surgery, James Cook University Hospital, Middlesbrough, UK.
3 Department of Plastic and Reconstructive Surgery, St. Mary's Hospital, Imperial College NHS Trust, London, UK.
4 Department of Plastic and Reconstructive Surgery, St. Mary's Hospital, Imperial College NHS Trust, London, UK; Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences (NDORMS), University of Oxford, Oxford, UK.