1. Neuroimaging Laboratory, Santa Lucia Foundation, IRCCS, Rome, Italy
2. Clinical Imaging Sciences Centre, Brighton and Sussex Medical School, Falmer, UK
3. Institute of Neurology, Università Cattolica, Rome, Italy
4. Department of Clinical and Behavioural Neurology, Santa Lucia Foundation, IRCCS, Rome, Italy
5. Department of Neuroscience, University of Rome ‘Tor Vergata’, Rome, Italy