1. Department of Epidemiology, Center for Public Health, Medical University of Vienna, Vienna, Austria
2. Clinical Division of Nephrology and Dialysis, Department of Medicine III, Medical University of Vienna, Vienna, Austria
3. Kuratorium for Dialysis and Transplantation (KfH), Germany
4. Nephrology, Clinique Charcot, Sainte-Foy-lès-Lyon, France
5. Investigation Network Initiative-Cardiovascular and Renal Clinical Trialists (INI-CRCT Network), Nancy, France