1. Department of Biomedical Engineering; Wroclaw University of Technology; Wroclaw Poland
2. National and Kapodistran University Medical School; Athens Greece
3. Brain Physics Laboratory; Division of Neurosurgery; University of Cambridge Department of Clinical Neuroscience; Cambridge UK
4. Institute of Electronic Systems; Warsaw University of Technology; Warsaw Poland
5. Nerosurgery; Addenbrooke's Hospital; Cambridge UK