[1] Univ Paris 05, INSERM, U 781, Hop Necker Enfants Malad,Fac Med,AP HP, 149 Rue Sevres, F-75743 Paris 15, France
[2] Johns Hopkins Univ, Sch Med, McKusick Nathans Inst Genet Med, Baltimore, MD USA
[3] Univ Hong Kong, Li Ka Shing Fac Med, Div Paediat Surg, Dept Surg, Hong Kong, Hong Kong, Peoples R China
[4] Ist Giannina Gaslini, Genet Mol Lab, I-16148 Genoa, Italy
[5] Univ Genoa, Dipartimento Sci Salute, Sez Biostat, Genoa, Italy
[6] Univ Groningen, Univ Med Ctr Groningen, Dept Genet, Groningen, Netherlands
[7] Univ Seville, Hosp Univ Virgen Rocio, Unidad Clin Genet & Reprod, Seville, Spain
[8] CIBERER, Seville, Spain
[9] Erasmus MC, Dept Clin Genet, Rotterdam, Netherlands