[1] Hop Bicetre, Serv Bacteriol Virol Hyg, Assistance Publ Hop Paris, Fac Med Paris Sud, F-94275 Le Kremlin Bicetre, France
[2] Univ Miletrie, Ctr Hosp, Dept Anesthesie & Reanimat Chirurg, F-86021 Poitiers, France
[3] Fac Med Paris Nord, Ctr Rech & Pathol Infect & Trop, F-93009 Bobigny, France