[1] Montpellier Univ, Fac Med, Natl Inst Hlth & Med Res, U1047, F-30908 Nimes 2, France
[2] Caremeau Univ Hosp, Dept Bacteriol, Pl Prof Robert Debre, F-30029 Nimes 9, France
[3] Caremeau Univ Hosp, Dept Infect Dis, Pl Prof Robert Debre, F-30029 Nimes 9, France