1. Department of Urology, University of Patras, Patras, Greece
2. Department of Urology, Erebouni Medical Center, Yerevan, Armenia
3. Department of Urology, Unidade Local de Saúde de Matosinhos, Matosinhos, Portugal
4. Department of Surgery and Physiology, Faculty of Medicine of the University of Porto, Porto, Portugal
5. Department of Anesthesiology and ICU, University of Patras, Patras, Greece
6. Department of Urology, Medical University of Vienna, Vienna, Austria