1 1st Department of Neurology, Eginition Hospital, Medical School, National and Kapodistrian University of Athens, Athens, Greece.
2 Department of Neuromuscular Disorders, Institute of Neurology, University College London, London WC1N 3BG, UK.
3 Tzartos Neurodiagnostics, Athens, Greece.
4 2nd Department of Radiology, Medical School, Attikon Hospital, National and Kapodistrian University of Athens, Athens, Greece.
5 Neuropsychology and Speech Pathology Unit, 1st Department of Neurology, Eginition Hospital, Medical School, National and Kapodistrian University of Athens, Athens, Greece.
6 Division of Psychiatry and Behavioral Sciences, School of Medicine, University of Crete, Crete, Greece.