1. Department of Occupational Therapy, Poznan University of Medical Sciences, 61-781 Poznan, Poland
2. Department of Rehabilitation, Greater Poland Cancer Centre, 61-866 Poznan, Poland
3. Department of Radiotherapy, Greater Poland Cancer Centre, 61-866 Poznan, Poland
4. Department of Elektroradiology, Poznan University of Medical Sciences, 61-701 Poznan, Poland
5. Laboratory Ward, Greater Poland Cancer Centre, 61-866 Poznan, Poland
6. Department of Neurochemistry and Neuropathology, Neurology Department, Poznan University of Medical Sciences, 60-355 Poznan, Poland
7. Department of Neurosurgery and Neurotraumatology, Poznan University of Medical Sciences, 60-355 Poznan, Poland