[1] Hop Robert Debre, Microbiol Lab, Microbiol Serv, F-75019 Paris, France
[2] Hop Robert Debre, Serv Nephrol, F-75019 Paris, France
[3] Hop Robert Debre, Serv Pediat Gen, F-75019 Paris, France
[4] Hop Robert Debre, Ctr Natl Reference E Coli Shigella, Lab Associe, F-75019 Paris, France