1. Department of Haematology, Southwark Wing, Guy’s Hospital, Guy’s and St. Thomas’ NHS Foundation Trust, London, UK
2. Women’s Health, St Thomas’ Hospital, Guy’s and St. Thomas’ NHS Foundation Trust, London, UK
3. Liverpool Women’s NHS Foundation Trust, University of Liverpool, Liverpool, UK
4. Women’s Health, St. Thomas’ Hospital, King's Health Partners, Guy’s and St Thomas’ NHS Foundation Trust, London, UK