1 Department for Internal Medicine III, Cardiology, Angiology and Intensive Care Medicine, Saarland University Medical Center, Homburg 66421, Germany. Electronic address: viktoria.schwarz@uks.eu.
2 Department for Internal Medicine IV, Nephrology and Hypertension, Saarland University Medical Center, Homburg 66421, Germany.
3 Department for Internal Medicine III, Cardiology, Angiology and Intensive Care Medicine, Saarland University Medical Center, Homburg 66421, Germany.