1. Neurology Department, Democritus University of Thrace, 68100 Alexandroupolis, Greece
2. Department of Physical Education and Sport Science, Democritus University of Thrace, 69100 Komotini, Greece
3. Radiology Department, Democritus University of Thrace, 68100 Alexandroupolis, Greece
4. Second Department of Internal Medicine, Democritus University of Thrace, 68100 Alexandroupolis, Greece