1. Department of Internal Medicine IV, Medical Center—University of Freiburg, Berliner Allee 29, 79110 Freiburg, Germany
2. Center for Medical Biometry and Medical Informatics, Medical Center—University of Freiburg, Freiburg, Germany
3. Centre for Nephrology, University College London, London, UK
4. Institute of Human Genetics, Friedrich-Alexander University, Erlangen-Nürnberg, Germany
5. Department of Nephrology and Hypertension, Hannover Medical School, Hannover, Germany
6. Institute of Cardiovascular Sciences, University of Manchester, Manchester, UK
7. Department of Nephrology and Hypertension, Friedrich-Alexander University, Erlangen-Nürnberg, Germany
8. Division of Genetic Epidemiology, Department of Medical Genetics, Molecular and Clinical Pharmacology, Medical University of Innsbruck, Innsbruck, Austria