1. Department of Physiology, Institute of Medical Sciences, University of Opole, 45040 Opole, Poland
2. Department of Human Physiology, Faculty of Medicine, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, 87100 Torun, Poland
3. Student Scientific Society of Physiology, Department of Physiology, Institute of Medical Sciences, University of Opole, 45040 Opole, Poland
4. Student Association of Neurology, Department of Neurology, Institute of Medical Sciences, University of Opole, 45040 Opole, Poland
5. Specialist Hospital No. 1, 41900 Bytom, Poland
6. Department of Neurology, Institute of Medical Sciences, University of Opole, 45040 Opole, Poland
7. Department of Neurology, ST Jadwiga Regional Specialized Hospital, 45040 Opole, Poland