[1] Hop Ambroise Pare, Assitance Publ Hop Paris, Serv Microbiol Hyg, F-92100 Boulogne, France
[2] Univ Versailles, Fac Paris Ile France Ouest, St Quentin en Yvelines, France
[3] Hop Bicetre, Assistance Publ Hop Paris, Serv Bacteriol Virol, Le Kremlin Bicetre, France
[4] Univ Paris 11, Fac Med, Paris, France