1. Department of Nephrology and Hypertension, Hannover Medical School, Hannover, Germany
2. Mount Desert Island Biological Lab, Bar Harbor, ME, USA
3. Department of Nephrology and Hypertension, University of Erlangen-Nurnberg, Erlangen, Germany
4. Research Core Unit Electron Microscopy, Hannover Medical School, Hannover, Germany
5. Institute of Pathology, Nephropathology Unit, Hannover Medical School, Hannover, Germany