1. University Clinic for Nephrology and Hypertension, Diabetology and Endocrinology, Medical Faculty, Otto‐von Guericke University Magdeburg Magdeburg Germany
2. Institute of Medical Statistics and Bioinformatics University of Cologne Cologne Germany
3. Department of Pneumology, Medical Faculty Otto‐von Guericke University Magdeburg Germany
4. Department of Nephrology and Hypertension Hannover Medical School Hannover Germany
5. Institute of Pathology University Hospital of Cologne Cologne Germany
6. PHV Dialysis Center Halberstadt Germany