1 Intensive Care Unit, Sainte Anne Military Teaching Hospital, Toulon, BP 600, 83800 Toulon armées, Cedex 9, France. Electronic address: michael.cardinale@intradef.gouv.fr.
2 Intensive Care Unit, Sainte Anne Military Teaching Hospital, Toulon, BP 600, 83800 Toulon armées, Cedex 9, France.