1 From the Department of Neurology (M.J.T.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; and Department of Neurology (G.S.D.), Mayo Clinic in Florida, Jacksonville. m.titulaer@erasmusmc.nl.
2 From the Department of Neurology (M.J.T.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; and Department of Neurology (G.S.D.), Mayo Clinic in Florida, Jacksonville.