Published on in Vol 7, No 1 (2018): January
1 Department of Obstetrics and Gynaecology, Barts Health NHS Trust, London, United Kingdom
2 Women’s Health Research Unit, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, United Kingdom
3 Centre for Primary Care and Population Health, Queen Mary University of London, London, United Kingdom
4 Pragmatic Clinical Trials Unit, Queen Mary University of London, London, United Kingdom
5 Clinical Trial Service Unit and Epidemiological Studies Unit, University of Oxford, Oxford, United Kingdom
6 Social Science Research Unit, University College London, London, United Kingdom
7 Pelvic Pain Support Network, Poole, United Kingdom