1. Department of Urology, Cantonal Hospital St Gallen, Switzerland;
2. Department Materials Meet Life, Laboratory for Biointerfaces, Empa, Swiss Federal Laboratories for Materials Science and Technology, St Gallen, Switzerland;
3. Division of Infectious Diseases and Hospital Epidemiology, Cantonal Hospital St Gallen, Switzerland;
4. Center for Laboratory Medicine, St Gallen, Switzerland;
5. Clinical Trials Unit (CTU), Cantonal Hospital St, Gallen, Switzerland