1. Department of Physiotherapy Laboratory of Neuromuscular and Cardiovascular Study of Motion University of West Attica Athens Greece
2. Second Department of Neurology National and Kapodistrian University of Athens, School of Medicine, Attikon University Hospital Athens Greece
3. Medical School University of Cyprus Nicosia Cyprus
4. Medical School University of Sheffield Sheffield UK
5. First Department of Neurology National and Kapodistrian University of Athens, School of Medicine, Eginitio University Hospital Athens Greece
6. First Department of Neurology, School of Medicine Aristotle University of Thessaloniki Thessaloniki Greece
7. Department of Neurology, School of Medicine University of Patras Rio‐Patras Greece