[1] Ctr Hosp Univ Montreal, Ctr Excellence Neurom, Montreal, PQ H2L 4M1, Canada
[2] Univ Montreal, Dept Med, Montreal, PQ H2L 4M1, Canada
[3] Univ Waterloo, Dept Biol, Waterloo, ON N2L 3G1, Canada
[4] Univ Laval, Fac Med, Ctr Hosp Affilie Univ Quebec, Hop Enfants Jesus, Quebec City, PQ G1J 1Z4, Canada
[5] Hop La Pitie Salpetriere, Div Paul Castaigne, Federat Malad Syst Nerveux, F-75651 Paris, France
[6] Inst Biol, Unite Neurol Comportementale & Degenerat, F-34967 Montpellier, France