1 Medical ICU, Saint-Louis University Hospital, AP-HP, 1 Avenue Claude Vellefaux, 75010, Paris, France. michael.darmon@aphp.fr.
2 ECSTRA Team, Biostatistics and Clinical Epidemiology, Université Paris Cité, UMR 1153 (Center of Epidemiology and Biostatistic Sorbonne Paris Cité, CRESS), INSERM, Paris, France. michael.darmon@aphp.fr.
3 Medical-Surgical ICU, Angoulême Hospital, Angoulême, France.
4 Adult Intensive Care Unit, Centre Hospitalier Universitaire Vaudois (CHUV), Lausanne, Switzerland.