1 Medical ICU, AP-HP, Saint-Louis University Hospital, Paris, France. michael.darmon@aphp.fr.
2 Paris-Diderot Medical School, University of Paris, Paris, France. michael.darmon@aphp.fr.
3 ECSTRA Team, Biostatistics and Clinical Epidemiology, UMR 1153 (Center of Epidemiology and Biostatistic Sorbonne Paris Cité, CRESS), INSERM, Paris, France. michael.darmon@aphp.fr.
4 Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Innsbruck, Austria.
5 Clinical Department and Laboratory of Intensive Care Medicine, Division of Cellular and Molecular Medicine, KU Leuven University, Herestraat 49, 3000, Leuven, Belgium.