1. Neurology Unit, Department of Medicine, Faculty of Clinical Sciences, College of Medicine, University of Lagos, Idi Araba, Nigeria
2. Norman Fixel Institute for Neurological Diseases, Department of Neurology, University of Florida Health, Gainesville
3. Associate Editor, JAMA Neurology
4. Parkinson’s Disease Center and Movement Disorders Clinic, Department of Neurology, Baylor College of Medicine, Houston, Texas