1. Department of Neurology, University College Hospital, Ibadan, Nigeria (O.A., R.A., M.O.).
2. Neurology Unit, Department of Medicine, Afe Babalola University Ado Ekiti, Nigeria (P.O.).
3. Center for Genomic and Precision Medicine, University of Ibadan, Nigeria (R.A., M.O.).
4. Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA (M.F.).