1 Departement of Anaesthesia and Surgical Intensive Care, Brest Teaching Hospital, 29200 Brest, France; Clermont-Tonnerre Military Teaching Hospital, 29200 Brest, France; French Military Health Service Academy, école du Val-de-Grâce, 75000 Paris, France. Electronic address: philippe.aries@chu-brest.fr.
2 Department of Civilian and Military Anaesthesia, Édouard-Herriot Hospital, Lyon University Hospital, 5, Place d'Arsonval, 69003 Lyon, France; UMR 7268 ADéS Aix-Marseille University, 27, Boulevard Jean-Moulin, 13005 Marseille, France.