1. Department of Nephrology and General Medicine, Medical University Center, Albert-Ludwigs-University, Freiburg, Germany
2. Department of Urology, Medical University Center, Albert-Ludwigs-University, Freiburg, Germany
3. Department of Laboratory Medicine, Medical University Center, Albert-Ludwigs-University, Freiburg, Germany
4. Department of Human Genetics, University Medical Center, Aachen, Germany
5. Department of Neurosurgery, Medical University Center, Albert-Ludwigs-University, Freiburg, Germany
6. Transplant Unit of the Department of Visceral Surgery, Albert-Ludwigs-University, Freiburg, Germany
7. Center for Nephrology and Dialysis, Freiburg, Wirthstrasse, Germany
8. Center for Nephrology and Dialysis, Müllheim, Bad Krozingen, Schopfheim, Germany
9. Center for Nephrology and Dialysis, Offenburg, Germany
10. Center for Nephrology and Dialysis, Singen, Germany
11. Center for Nephrology and Dialysis, Emmendingen, Germany
12. Center for Nephrology and Dialysis, Lahr, Germany
13. Center for Nephrology and Dialysis, Rastatt, Germany
14. Center for Nephrology and Dialysis, Bruchsal, Germany
15. Center for Nephrology and Dialysis, Baden-Baden Städtisches Krankenhaus, Germany
16. Center for Nephrology and Dialysis, Karlsruhe Städtische Krankenanstalten, Germany
17. Genomic Medicine Institute, Lerner Research Institute and Taussig Cancer Institute, Cleveland Clinic, Cleveland, OH, USA