[1] Inst Pasteur, INSERM, INSERM E0021, F-75724 Paris, France
[2] INRA, Biol Dev & Biotechnol, Jouy En Josas, France
[3] Hop Necker Enfants Malad, Serv Anat Pathol, Paris, France
[4] HKU Pasteur Res Ctr, Bioinformat Lab, Hong Kong, Hong Kong, Peoples R China
[5] State Univ Ghent Hosp, Dept Med Genet, B-9000 Ghent, Belgium