1. Chair and Department of Neurology, Medical University of Lublin, Jaczewskiego 8, 20-090 Lublin, Poland,
2. Chair and Department of Clinical Immunology, Medical University of Lublin, Jaczewskiego 8, 20-090 Lublin, Poland
3. Chair and Department of Neurology, Medical University of Lublin, Jaczewskiego 8, 20-090 Lublin, Poland