1. Department of Gynaecology, University Hospital Zurich, Switzerland
2. Division of Infectious Diseases / Hospital Epidemiology, Cantonal Hospital St Gallen, Switzerland
3. Frauenzimmer Bern AG - Office for Urogynaecology, Bern, Switzerland
4. Centre of Perineology, Dianuro, Geneva, Switzerland
5. Department of Gynaecology, University Hospital Bern, Switzerland
6. Department of Obstetrics, University Hospital Bern, Switzerland
7. Department of Obstetrics and Gynaecology, Cantonal Hospital Winterthur, Switzerland