1. Faculty of Medicine School of Health Sciences, Department of Neurology, University Hospital of Larissa, University of Thessaly, Larissa, Greece,
2. Argentine National Scientific and Technological Research Council (CONICET), FLENI Neurological Research Institute, Buenos Aires, Argentina,
3. Department of Molecular Neuroscience, UCL Institute of Neurology, London, UK,
4. First Neurology Clinic, AHEPA Hospital, School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, Thessaloniki, Greece,
5. Faculty of Medicine, Department of Rheumatology and Clinical Immunology, School of Health Sciences, University of Thessaly, Larisa, Greece, and
6. Department of Neurology, Medical School, University of Cyprus, Nicosia, Cyprus