1. From the Department of Neurology (L.M., W.J.M.S.o.R., P.J.K., D.W.J.D.), Erasmus Medical Center, Rotterdam, The Netherlands; the Department of Neurology (L.M.), Van Weel-Bethesda Hospital, Dirksland, The Netherlands; the Department of Neurology (R.J.v.O.), University Hospital Maastricht, Maastricht, The Netherlands; and the Department of Neurology (C.F.F.), Atrium Medical Center, Heerlen, The Netherlands.