1. Department of Hematology/Oncology and Hemostaseology, University Hospital Leipzig, Johannisallee 32a, 04103 Leipzig, Germany
2. Department of Nephrology, University Hospital Leipzig, 04103 Leipzig, Germany
3. Department of Urology, University Hospital Leipzig, 04103 Leipzig, Germany
4. Institute of Pathology, Faculty of Medicine, University of Leipzig, Leipzig, Germany
5. Institute of Virology, University Hospital Leipzig, 04103 Leipzig, Germany
6. Department of Urology, General Hospital, Bar, Montenegro