Miriam Kozarova1, Antonia Lackova2, Zuzana Kozelova1, Ladislav Tomco3
14th Department of Internal Medicine, Medical Faculty P.J. Safarik University, Košice, Slovakia
2Neurologic Department, L. Pasteur University Hospital, Košice, Slovakia
3Department of Epidemiology, Medical Faculty, P.J. Safarik University, Kosice, Slovakia