[1] Univ Montpellier, Reg Univ Hosp Montpellier, St Eloi Hosp,CNRS, Dept Anesthesia,PhyMedExp,INSERM,U1046,UMR 9214, Montpellier, France
[2] Univ Montpellier, Reg Univ Hosp Montpellier, St Eloi Hosp,CNRS, Intens Care Unit,PhyMedExp,INSERM,U1046,UMR 9214, Montpellier, France
[3] Univ Montpellier, CHU Montpellier, INSERM, IDESP, Roussillon, Languedoc Rouss, France
[4] Dept Anesthesie Reanimat B DAR B, 80 Ave Augustin Fliche, F-34295 Montpellier, France