[1] Univ Nimes, Fac Med, Lab Antibiol, F-30900 Nimes, France
[2] Grp Hosp Univ Caremeau, CHU Himes, Bacteriol Lab, F-30029 Nimes, France
[3] CHU Arnaud de Villeneuve, Bacteriol Lab, F-34295 Montpellier, France
[4] Grp Hosp Univ Caremeau, CHU Nimes, Serv Med Interne B, F-30029 Nimes, France