[1] Inst Pasteur, INSERM U547, F-59019 Lille, France
[2] Inst Pasteur, Lille, France
[3] Univ Lille 2, Lille, France
[4] CNRS UMR, Villeneuve Dascq, France
[5] Univ Sci & Technol Lille 1, Villeneuve Dascq, France
[6] Univ Oxford, Dept Biochem, Glycobiol Inst, Oxford, England
[7] CNRS UMR 8147, Inst Rech Necker Enfants Malad, Inst Federatif Rech 94, Paris, France
[8] Univ Paris Descartes, Fac Med Rene Descartes, Paris, France
[9] Hop Necker Enfants Malad, Paris, France