1 Neuroimaging Research Unit, Institute of Experimental Neurology, San Raffaele Scientific Institute, Vita-Salute San Raffaele University, 20132 Milan, Italy; Department of Neurology, Institute of Experimental Neurology, San Raffaele Scientific Institute, Vita-Salute San Raffaele University, 20132 Milan, Italy. Electronic address: filippi.massimo@hsr.it.
2 Neuroimaging Research Unit, Institute of Experimental Neurology, San Raffaele Scientific Institute, Vita-Salute San Raffaele University, 20132 Milan, Italy.
3 Hans-Berger Department of Neurology, University Hospital Jena, Jena, Germany.
4 Department of Neurology, University of Miami Miller School of Medicine, Miami, FL, USA.
5 Department of Neurology, University of Ulm, Ulm, Germany.
6 Department of Neurology, Rudolf Magnus Institute of Neuroscience, University Medical Centre Utrecht, Utrecht, Netherlands.
7 Nuffield Department of Clinical Neurosciences, Oxford University, Oxford, UK.