[1] Univ Toronto, St Michaels Hosp, Dept Med, Div Neurol, Toronto, ON, Canada
[2] St Michaels Hosp, Decis Neurosci Unit, Toronto, ON, Canada
[3] Univ Zurich, Lab Social & Neural Syst Res, Dept Econ, Zurich, Switzerland
[4] Hosp Gen Univ Alicante, Dept Neurol, Alicante, Spain
[5] Hosp Univ Getafe, Dept Neurol, Getafe, Spain
[6] Hosp Univ Mutua Terrassa, Dept Neurol, Terrassa, Spain
[7] Hoffmann La Roche Ltd, Neurosci, Med Affairs, Mississauga, ON, Canada
[8] Univ Toronto, Li Ka Shing Knowledge Inst, Toronto, ON, Canada
[9] Roche Farma SA, Med Dept, Madrid, Spain