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. Central Laboratory, Greater Poland Cancer Centre, 15, 61-866 Poznan, Poland
4. Chair and Department of Electroradiology, Poznan University of Medical Science, 61-781 Poznan, Poland
5. 3rd Radiotherapy Department, Greater Poland Cancer Centre, 61-866 Poznan, Poland