1. Second Department of Neurology, “Attikon” University Hospital, School of Medicine National and Kapodistrian University of Athens Athens Greece
2. Third Department of Surgery, “Attikon” University Hospital, School of Medicine National and Kapodistrian University of Athens Athens Greece
3. First Department of Neurosurgery National & Kapodistrian University of Athens Athens Greece
4. Second Department of Radiology National and Kapodistrian University of Athens Athens Greece
5. First Department of Neurology Aeginition Hospital National and Kapodistrian University of Athens Athens Greece
6. Department of Physiotherapy Laboratory of Neuromuscular and Cardiovascular Study of Motion University of West Attica Athens Greece
7. Second Department of Neurology Aristotle University of Thessaloniki School of Medicine AHEPA University Hospital Thessaloniki Greece
8. Department of Neurology St. Josef‐Hospital Ruhr University Bochum Germany
9. Department of Neurology University of Tennessee Health Science Center Memphis Tennessee USA