Affiliations

• ¹ Centre for Rheumatology Research, UCL Division of Medicine, University College London, London.
• ² Department of Rheumatology, University Hospitals of Leicester, Leicester.
• ³ Womens Health, University College London Hospital, London.
• ⁴ Obstetrics and Gynaecology, Frimley Park Hospital, Surrey.
• ⁵ Department of Rheumatology, University Hospital Birmingham NHS Foundation Trust, Birmingham.
• ⁶ Department of Rheumatology, Guy's and St Thomas' NHS Foundation Trust, London, UK, Department of Rheumatology, Copenhagen University Hospital, Rigshospitalet, Denmark.
• ⁷ Department of Rheumatology, Burton Hospitals NHS Trust, Burton-upon-Trent, UK.
• ⁸ Rheumatic and Musculoskeletal Disease Unit, Our Lady's Hospice and Care Services, Dublin, Ireland.
• ⁹ Department of Rheumatology, University College London Hospital, London.
• ¹⁰ Department of Rheumatology, Aneurin Bevan University Health Board, Newport.
• ¹¹ Department of Rheumatology, Guy's and St Thomas' NHS Foundation Trust, London, UK.
• ¹² Department of Rheumatology, Sandwell and West Birmingham Hospitals NHS Trust and Division of Immunity and Infection, University of Birmingham, Birmingham, UK.
• ¹³ Centre for Rheumatology Research, UCL Division of Medicine, University College London, London, Womens Health, University College London Hospital, London, i.giles@ucl.ac.uk.