1. National Institute of Health & Medical Research, U1047, Montpellier University, Faculty of Medicine, 30908 Nîmes Cedex 2, France
2. Department of Bacteriology, Carémeau University Hospital, Place du Professeur Robert Debré, 30029 Nîmes Cedex 9, France
3. Department of Infectious Diseases, Carémeau University Hospital, Place du Professeur Robert Debré, 30029 Nîmes Cedex 9, France