1. Department of Genetic Epidemiology, University of Regensburg, 93053 Regensburg, Germany
2. Statistical Consulting Unit StaBLab, Department of Statistics, LMU Munich, 80539 Munich, Germany
3. Department of Internal Medicine II, University Hospital Regensburg, 93053 Regensburg, Germany
4. Department of Ophthalmology, University Hospital Regensburg, 93053 Regensburg, Germany
5. Institute of Clinical Chemistry and Laboratory Medicine, University Hospital Regensburg, 93053 Regensburg, Germany
6. Institute of Clinical Microbiology and Hygiene, University Hospital Regensburg, 93053 Regensburg, Germany
7. Institute of Physiology, University of Regensburg, 93053 Regensburg, Germany
8. Department of Nephrology, University Hospital Regensburg, 93053 Regensburg, Germany
9. Institute of Public Health, Charité Universitätsmedizin Berlin, 10117 Berlin, Germany
10. Department of Nephrology, Hospital Traunstein, 83278 Traunstein, Germany
11. Institute of Genetic Epidemiology, Medical University of Innsbruck, 6020 Innsbruck, Austria
12. Department of Cardiology, Hospital Barmherzige Brüder Regensburg, 93049 Regensburg, Germany