1. Assistant Professor.
2. Associate Professor.
3. Professor of Anesthesiology and Critical Care, Department of Ambient Health and Safety, University of Insubria, Varese, Italy.
4. Statistician, Centre Jean Perrin, University Hospital of Clermont-Ferrand, Clermont-Ferrand, France.
5. Professor and Chairman, Department of Critical Care Medicine and Anesthesiology, Intensive Care Unit, Saint Eloi Hospital, University Hospital of Montpellier, Montpellier, France.
6. Professor and Head, Department of Anesthesiology and Critical Care Medicine, Estaing Hospital.