1. Medical Intensive Care Unit, CHU Bordeaux, Bordeaux, France
2. Bacteriology Department, CHU Bordeaux, Bordeaux, France
3. INSERM UMR 1045, Centre de Recherche Cardio-Thoracique de Bordeaux, Bordeaux University, Bordeaux, France
4. National Reference Center for Anaerobic Bacteria and Botulism, Institut Pasteur, Université Paris Cité, Paris, France