1. Assistant Professor of Anesthesia, Department of Anesthesia, Faculty of Medecine, Lille.
2. Professor of Anesthesia, Department of Anesthesia, Faculty of Medecine, Lille.
3. Research Associate Professor of Pharmacology, Department of Pharmacology, Faculty of Medecine, Lille.
4. Student in Physiology, Department of Pharmacology, Faculty of Medecine, Lille.
5. Professor of Physiology, Department of Physiology, University of Lille II, Villeneuve d'Ascq.