1. From the Center of Functionally Integrative Neuroscience (N.H., O.W., M.A., C.S., K.M., S.C., C.G., L.O.), Department of Neuroradiology, Århus University Hospital, Århus C, Denmark; the Department of Neurology (N.H., G.A.), Århus University Hospital, Århus C, Denmark; the Athinoula A Martinos Center for Biomedical Imaging (O.W.), Department of Radiology, Massachusetts General Hospital, Charlestown, Mass.