1. Department of Urology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
2. Department of Urology, The University of Melbourne, Royal Melbourne Hospital, Victoria, Australia
3. Department of Anaesthesiology and Pain Medicine, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
4. Clinical Trials Unit Bern, University of Bern, Bern, Switzerland
5. Department of Urology, University Hospital of Lausanne (CHUV), University of Lausanne, Lausanne, Switzerland