1. Department of Nephrology and Hypertension, University Hospital Schleswig-Holstein—Campus Kiel, Kiel, Germany.
2. Department of Nephrology, Klinikum rechts der Isar, School of Medicine, Technical University of Munich, Munich, Germany.
3. Nephropathology Unit, Department of Pathology, Hannover Medical School, Hannover, Germany.
4. Department of Nephrology, Department of Internal Medicine 1, University Medical Center Mainz, Mainz, Germany.
5. Peter L. Reichertz Institute for Medical Informatics of TU Braunschweig and Hannover Medical School, Hannover, Germany.
6. Department of Nephrology and Renal Transplantation, University Hospitals Leuven, Leuven, Belgium.
7. Department of Nephrology, Transplant Center, Klinikum Stuttgart, Stuttgart, Germany.
8. Department of Nephropathology, University Hospital Erlangen, University of Erlangen-Nürnberg, Erlangen, Germany.