1. Department of Internal Medicine 4 (Nephrology und Hypertension), University of Erlangen, Erlangen, Germany
2. Department of Internal Medicine 4 (Nephrology und Hypertension), Paracelsus Private Medical School, Klinikum Nuremberg, Nuremberg, Germany
3. Department of Radiology, University of Erlangen, Erlangen, Germany
4. Center of Physiology and Pharmacology, Medical University of Vienna, Vienna, Austria
5. Department of Physiology and Pathophysiology, University Erlangen, Erlangen, Germany
6. Center of Internal Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
7. Department of Nephropathology, University of Erlangen, Erlangen, Germany