[1] Univ Dusseldorf, Dusseldorf, Germany
[2] NeuroRx Res, Montreal, PQ, Canada
[3] McGill Univ, Montreal Neurol Inst, Montreal, PQ, Canada
[4] Cleveland Clin, Cleveland, OH 44106 USA
[5] Univ Cambridge, Sch Clin Med, Cambridge, England
[6] Cent Texas Neurol Consultants, Round Rock, TX USA
[7] Charles Univ Prague, Fac Med 1, Prague, Czech Republic
[8] Med Univ Lodz, Lodz, Poland
[9] Genzyme, Cambridge, MA USA
[10] PROMETRIKA LLC, Cambridge, MA USA