1. Department of Biosystems and Soft Matter, Institute of Fundamental Technological Research, Polish Academy of Sciences, Pawińskiego 5B, Warsaw 02-106, Poland
2. Laboratory for Regenerative Medicine, Department of Neurosurgery, School of Medicine, University of Warmia and Mazury, Warszawska 30, Olsztyn 10-082, Poland
3. Laboratory of Polymers and Biomaterials, Institute of Fundamental Technological Research, Polish Academy of Sciences, Pawińskiego 5B, Warsaw 02-106, Poland
4. Neurosurgery Clinic, University Clinical Hospital in Olsztyn, Warszawska 30, Olsztyn 10-082, Poland
5. Department of Electrical Engineering, Power Engineering, Electronics and Automation, Faculty of Technical Sciences, University of Warmia and Mazury, Oczapowskiego 11, Olsztyn 10-082, Poland