1. Department of Neurology, County Emergency Clinic Hospital, 500365 Brasov, Romania
2. Faculty of Medicine, Transilvania University, 500036 Brasov, Romania
3. Department of Immunology, County Emergency Clinic Hospital, 500365 Brasov, Romania
4. Faculty of Mathematics and Informatics, Transilvania University, 500036 Brasov, Romania
5. Department of Neurology, Faculty of Medicine, ‘Titu Maiorescu’ University, 031593 Bucharest, Romania