[1] Hop Bicetre, AP HP, Serv Bacteriol Virol,Fac Med, INSERM Emerging Resistance Antibiot U914, Paris, France
[2] Ruhr Univ Bochum, Dept Med Microbiol, Natl Reference Lab Multidrug Resistant Gram Negat, D-44801 Bochum, Germany
[3] Univ Paris 11, Paris, France
[4] Hosp Goethe Univ, Inst Med Microbiol & Infect Control, D-60596 Frankfurt, Germany