aIntensive Care and Anesthesiology Department, Saint Eloi Hospital, Montpellier University Hospital, 80, Avenue Augustin Fliche, 34295 Montpellier Cedex 5, France
bPain Clinic, Intensive Care and Anesthesiology Department, Carémeau Hospital, Nîmes University Hospital, Place Professeur Robert Debré, 30029 Nîmes Cedex 9, France
cNational Institute of Health and Medical Research (INSERM) ERI 25/EA 4202, Montpellier University 1, 371 Avenue du Doyen Gaston Giraud, Arnaud de Villeneuve Hospital, 34295 Montpellier Cedex 5, France
dGeneral Intensive Care Unit, Hotel-Dieu Hospital, Clermont-Ferrand University Hospital, Clermont-Ferrand, France
*Corresponding author at: Département d'Anesthésie et de Réanimation, Hopital Saint Eloi – CHU de Montpellier, 80 Avenue Augustin Fliche, 34295 Montpellier Cedex 5, France. Tel.: +33 4 67 33 72 71; fax: +33 4 67 33 74 48.
E-mail address:[email protected]
Submitted January 8, 2010; revised August 17, 2010; accepted August 23, 2010.