[1] Laveran Mil Teaching Hosp, Dept Infect Dis & Trop Med, F-13384 Marseille 13, France
[2] Timone Teaching Hosp, Virol Lab, Marseille, France
[3] Laveran Mil Teaching Hosp, Dept Radiol, F-13384 Marseille 13, France
[4] Laveran Mil Teaching Hosp, Microbiol Lab, F-13384 Marseille 13, France
[5] Laveran Mil Teaching Hosp, Dept Digest Dis, F-13384 Marseille 13, France