1. Department of Nephrology and Hypertension, Friedrich-Alexander-University Erlangen-Nürnberg, Erlangen, Germany
2. Department of Urology, Friedrich-Alexander-University Erlangen-Nürnberg, Erlangen, Germany
3. Department of Hematology and Oncology, riedrich-Alexander-University Erlangen-Nürnberg, Erlangen, Germany
4. Department of Nephropathology, Friedrich-Alexander-University Erlangen-Nürnberg, Erlangen, Germany