1 Dept. of Neurology and Centre of Clinical Neuroscience, 1st Faculty of Medicine, Charles University and General University Hospital, Prague, Czech Republic.
2 Dept. of Neurosurgery, Na Homolce Hospital, Prague, Czech Republic.
3 Dept. of Circuit Theory, Faculty of Electrical Engineering, Czech Technical University in Prague, Prague, Czech Republic.
4 Dept. of Radiology, Charles University, 1st Faculty of Medicine and General University Hospital, Prague, Czech Republic.