1. Clinic of Neurology and Neurosurgery, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, LT-01513 Vilnius, Lithuania
2. Department of Neurosurgery, Vilnius University Hospital Santaros Klinikos, LT-08406 Vilnius, Lithuania
3. Faculty of Physics, Vilnius University, LT-01513 Vilnius, Lithuania
4. Institute of Applied Mathematics, Faculty of Mathematics and Informatics, Vilnius University, LT-01513 Vilnius, Lithuania
5. Department of Neurobiology and Biophysics, Institute of Biosciences, Life Sciences Center, Vilnius University, LT-01513 Vilnius, Lithuania
6. Faculty of Medicine, Vilnius University, LT-01513 Vilnius, Lithuania
7. Department of Physiology, Biochemistry, Microbiology and Laboratory Medicine, Institute of Biomedical Sciences, Faculty of Medicine, Vilnius University, LT-01513 Vilnius, Lithuania