[1] McGill Univ Hlth Ctr, Res Inst, Child Hlth & Human Dev Program, Montreal, PQ, Canada
[2] McGill Univ, Dept Neurol & Neurosurg, Montreal, PQ, Canada
[3] McGill Univ, Dept Pediat, Montreal, PQ, Canada
[4] Univ Laval, Quebec City, PQ, Canada
[5] Univ Montreal, Montreal, PQ, Canada
[6] Ctr Hosp Univ Laval, Dept Pediat, Div Pediat Neurol, Quebec City, PQ, Canada
[7] Univ Sherbrooke, Dept Med Genet, Sherbrooke, PQ, Canada
[8] Univ Montreal, Dept Pediat, Quebec Canada, Montreal, PQ, Canada
[9] Ctr Hosp Univ St Justine, Med Genet Div, Quebec Canada, Montreal, PQ, Canada
[10] McGill Univ, Dept Human Genet, Montreal, PQ, Canada
[11] McGill Univ Hlth Ctr, Dept Specialized Med, Div Med Genet, Montreal, PQ, Canada
[12] Ctr Hosp Univ St Justine, Dept Neurosci & Pediat, Div Pediat Neurol, Montreal, PQ, Canada
[13] Sorbonne Paris Nord Univ, Lab Hlth Educ & Promot, Villetaneuse, France
[14] McGill Univ Hlth Ctr, Res Inst, 1001 boul Decarie, Montreal, PQ H4A 3J1, Canada