1. Division of Neuroscience, Biomedical Center BioMed, Jessenius Faculty of MedicineComenius University in Bratislava Martin Slovakia
2. Department of NeurosurgerySlovak Medical University, Roosevelt Hospital Banska Bystrica Slovakia
3. Department of Medical Biochemistry, Jessenius Faculty of MedicineComenius University in Bratislava Martin Slovakia
4. Clinic of Neurosurgery, Jessenius Faculty of Medicine in MartinCommenius University in Bratislava and University Hospital Martin Slovakia