[1] Ctr Hosp Univ Necker Paris, Virol Lab, Paris, France
[2] Ctr Hosp Univ Kremlin Bicetre, INSERM U292, Virol Lab, Le Kremlin Bicetre, France
[3] Ctr Hosp Univ Bichat Paris, Virol Lab, Paris, France
[4] Ctr Hosp Univ Nice, Virol Lab, Nice, France
[5] Ctr Hosp Univ Toulouse, Virol Lab, Toulouse, France
[6] Ctr Hosp Univ Marseille, Virol Lab, Marseille, France
[7] Hop Pellegrin, Serv Pediat, Bordeaux, France
[8] Hop Necker Enfants Malad, Serv Pediat, Paris, France
[9] Ctr Hosp Univ Bordeaux, Hop Pellegrin, Virol Lab, F-33076 Bordeaux, France