1. Imperial Healthcare Trust, St Mary's Hospital; Department of Urogynaecology; Praed Street Paddington London UK W2 1NY
2. The Leeds Teaching Hospitals NHS Trust; Department of Urogynaecology; Beckett Street Leeds UK LS9 7TF
3. Newcastle University; c/o Cochrane Incontinence Group; Institute of Health & Society Baddiley-Clarke Building, Richardson Road Newcastle upon Tyne Tyne and Wear UK NE2 4AX
4. Newcastle University; Institute of Health and Society; Richardson Road Newcastle Upon Tyne UK NE2 4AX
5. University Hospitals of Morecambe Bay NHS Foundation Trust; Obstetrics and Gynaecology; Dalton Road Barrow in Furness Cumbria UK LA14 4LF