1. Medical Faculty, University Clinic for Cardiology and Angiology, Otto-von-Guericke University Magdeburg, Magdeburg, Germany
2. Diaverum Renal Services, MVZ Potsdam, Potsdam, Germany
3. Medical Faculty, Otto-von-Guericke University Magdeburg, Magdeburg, Germany
4. Department of Nephrology and Endocrinology, Klinikum Ernst von Bergmann, Potsdam, Germany
5. Institute for Biometrics and Medical Informatics, Otto-von-Guericke University Magdeburg, Magdeburg, Germany
6. Department of Intensive Care, The Austin Hospital, Melbourne, Australia
7. Centre for Integrated Critical Care, The University of Melbourne, Melbourne, Australia
8. Institute of Laboratory Medicine, Hospital Dessau, Dessau, Germany
9. Department of Cardiology, Immanuel Diakonie Bernau, Heart Center Brandenburg, Brandenburg Medical School Theodor Fontane, MHB, Germany
10. Institute of Social Medicine and Health Systems Research, Otto-von-Guericke University Magdeburg, Magdeburg, Germany
11. Faculty of Health Sciences Brandenburg, Potsdam, Germany