1. Harold Simmons Center for Kidney Disease Research and Epidemiology; Division of Nephrology and Hypertension; University of California Irvine Medical Center; Orange CA USA
2. Department of Medicine; Division of Nephrology; University Health Network; University of Toronto; Toronto ON Canada
3. Department of Medicine D; University Hospital Münster; Münster Germany
4. Department of Nephrology & Hypertension; Hannover Medical School; Hannover Germany
5. Institute of Behavioral Sciences; Semmelweis University; Budapest Hungary
6. Institute of Pathophysiology; Semmelweis University; Budapest Hungary
7. Division of Nephrology; Memphis Veterans Affairs Medical Center; Memphis TN USA
8. Division of Nephrology; University of Tennessee Health Science Center; Memphis TN USA
9. Department of Medicine; Division of Nephrology; McGill University Health Centre; Montreal QC Canada