1. 2nd Department of Urology; Aristotle University of Thessaloniki; Thessaloniki Greece
2. Department of Urology; Moinhos de Vento Hospital; Porto Alegre Brazil
3. Department of Urology; Guy's and St.Thomas’ Hospitals; London UK
4. Department of Urology; Maastricht University; Maastricht The Netherlands
5. Department of Neurourology; University Hospital Bonn; Bonn Germany
6. Department of Urogynaecology; King's College Hospital; NHS Foundation Trust; London UK
7. Department of Urology; University of Thessaly; Larissa Greece
8. Department of Urology; Vanderbilt University; Nashville Tennesse