[1] Georgetown Univ, Dept Neurol, Washington, DC USA
[2] Kansas City Bone & Joint Clin, Overland Pk, KS USA
[3] McGill Univ, Dept Neurol & Neurosurg, Montreal, PQ, Canada
[4] Carenity, Paris, France
[5] Ipsen Pharma, Boulogne, France
[6] Ciudad Telde Hosp, Neurorehabil Unit, Las Palmas Gran Canaria, Canary Islands, Spain