1. National Institute of Health and Medical Research, U1047, Faculty of Medicine, Montpellier 1 University, 30908 Nîmes Cedex 02, France
2. Department of Microbiology, University Hospital Ibn Rochd, 23000 Annaba, Algeria
3. Department of Microbiology, University Hospital Caremeau, 30029 Nîmes Cedex 9, France
4. Departement of Infectious Diseases, University Hospital Caremeau, 30029 Nîmes Cedex 9, France