[1] Percy Mil Hosp, Dept Anesthesiol & Intens Care, Paris, France
[2] Univ Hosp Rangueil, Dept Anesthesiol & Intens Care, Toulouse, France
[3] Univ Hosp Cochin, Dept Anesthesiol & Intens Care, Paris, France
[4] Univ Toulouse 3, GRCB 48, Dept Anesthesiol & Intens Care, F-31062 Toulouse, France
[5] Univ Hosp Bicetre, Dept Anesthesiol & Intens Care, Le Kremlin Bicetre, France
[6] IMASSA, Dept Cognit Sci, Bretigny Sur Orge, France