1 Interdisciplinary Medical Intensive Care, Faculty of Medicine and Medical Center-University of Freiburg, Hugstetterstrasse 55, 79106, Freiburg, Germany.
2 Department of Cardiology and Critical Care, Asklepios Clinic St. Georg, Hamburg, Germany.
3 Interdisciplinary Medical Intensive Care, Faculty of Medicine and Medical Center-University of Freiburg, Hugstetterstrasse 55, 79106, Freiburg, Germany. dawid.staudacher@uniklinik-freiburg.de.