1. Department of Anaesthesia and Intensive Care, Hôpital la Timone, 13005 Marseille, France
2. Department of Anaesthesia and Intensive Care, Carémeau Hospital, 30029 Nîmes, France
3. Department of Digestive Surgery and Liver Transplantation, Hôpital la Timone, 13005 Marseille, France
4. European Center for Medical Imaging Research CERIMED/LIIE, Aix-Marseille Université, 13385 Marseille, France
5. École de Médecine, Faculté des Sciences Médicales et Paramédicales, Aix-Marseille Université, 27 Boulevard Jean Moulin, 13385 Marseille, France