1 From the Department of Clinical Neuroscience (O.A.), Institute of Neuroscience and Physiology, the Sahlgrenska Academy, University of Gothenburg, Neurology, Sahlgrenska University Hospital, Göteborg, Sweden; Neuroimaging Research Unit (M.F.), Division of Neuroscience, Neurology Unit and Neurophysiology Unit, IRCCS San Raffaele Scientific Institute, Milan, Italy; and Vita-Salute San Raffaele University (M.F.), Milan, Italy. oluf.andersen@neuro.gu.se.
2 From the Department of Clinical Neuroscience (O.A.), Institute of Neuroscience and Physiology, the Sahlgrenska Academy, University of Gothenburg, Neurology, Sahlgrenska University Hospital, Göteborg, Sweden; Neuroimaging Research Unit (M.F.), Division of Neuroscience, Neurology Unit and Neurophysiology Unit, IRCCS San Raffaele Scientific Institute, Milan, Italy; and Vita-Salute San Raffaele University (M.F.), Milan, Italy.