1. Division of Adult Neurology, Department of Neurosciences, College of Medicine – Philippine General Hospital, University of the Philippines Manila, Manila 1000, Philippines
2. Movement Disorders Service & Section of Neurology, Institute for Neurosciences, St. Luke’s Medical Center, Quezon City 1112 & Global City 1634, Philippines
3. Section of Neurology, Institute for Neurosciences, St. Luke’s Medical Center, Quezon City 1112, Philippines