University of Dijon - Reference center “Intellectual disabilities from rare causes”, affiliation not provided to SSRN, affiliation not provided to SSRN, Mayo Clinic, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Johns Hopkins University - Kennedy Krieger Institute, Johns Hopkins University - Kennedy Krieger Institute, affiliation not provided to SSRN, affiliation not provided to SSRN, Odense University Hospital, Odense University Hospital, McGill University - McGill University Health Centre, affiliation not provided to SSRN, affiliation not provided to SSRN, Odense University Hospital, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN and University of Dijon - Reference center “Intellectual disabilities from rare causes”