1. Jessenius Faculty of Medicine, Department of Clinical Biochemistry, Comenius University in Bratislava and University Hospital Martin, Martin, Slovak Republic
2. Jessenius Faculty of Medicine in Martin, Department of Medical Biochemistry and BioMed, Comenius University in Bratislava, Martin, Slovak Republic
3. Jessenius Faculty of Medicine, Clinic of Neurology, Comenius University in Bratislava and University Hospital Martin, Martin, Slovak Republic
4. Faculty of Medicine, Institute of Immunology, Comenius University in Bratislava, Bratislava, Slovak Republic