1. Department of Medical Oncology, Hôpital Saint-André, CHU Bordeaux, Bordeaux, France;
2. Medical Information Department, CHU Bordeaux, Bordeaux, France;
3. Department of Medical Intensive Care Unit, Hôpital Saint-André, CHU Bordeaux, Bordeaux, France;
4. Department of Medical Intensive Care Unit, Hôpital Pellegrin, CHU Bordeaux, Bordeaux, France;
5. Bordeaux University, CHU Bordeaux, Bordeaux, France