1. 1st Department of Neurology, Faculty of Medicine, Comenius University, 813 69 Bratislava, Slovakia
2. Institute of Medical Chemistry, Biochemistry and Clinical Biochemistry, Faculty of Medicine, Comenius University, 813 72 Bratislava, Slovakia
3. 1st Department of Internal Medicine, Faculty of Medicine, Comenius University, 813 69 Bratislava, Slovakia
4. Rehabilitation Centre Harmony, 841 01 Bratislava, Slovakia
5. Department of Neurology, General Hospital, 031 01 Liptovsky Mikulas, Slovakia
6. Institute of Clinical and Translational Research, Biomedical Research Center, Slovak Academy of Sciences, 845 05 Bratislava, Slovakia