1 From the Morton and Gloria Shulman Movement Disorders Clinic and the Edmond J. Safra Program in Parkinson's Disease (M.P., A.F.), Toronto Western Hospital and Division of Neurology, University of Toronto, Canada; and the Centre for Neurodegenerative Diseases (CEMAND), Department of Medicine and Surgery (M.P.), University of Salerno, Italy.
2 From the Morton and Gloria Shulman Movement Disorders Clinic and the Edmond J. Safra Program in Parkinson's Disease (M.P., A.F.), Toronto Western Hospital and Division of Neurology, University of Toronto, Canada; and the Centre for Neurodegenerative Diseases (CEMAND), Department of Medicine and Surgery (M.P.), University of Salerno, Italy. alfonso.fasano@gmail.com.