Samantha Vaughan Jones1, Christina Ambros-Rudolph2, Catherine Nelson-Piercy3. 1. Department of Dermatology, Ashford and St Peter's Foundation Trust, Chertsey, Surrey KT16 0PZ, UK Sam.Vaughan-Jones@asph.nhs.uk. 2. Department of Dermatology, Medical University of Graz, Austria. 3. Women's Services, Guy's and St Thomas' Foundation Trust, London.