1. Department of Neurology 10th Military Research Hospital and Polyclinic Bydgoszcz Poland
2. Sanitas—Neurology Outpatient Clinic Bydgoszcz Poland
3. Department of Human Physiology Nicolaus Copernicus University Ludwik Rydygier Collegium Medicum in Bydgoszcz Bydgoszcz Poland