1. Department of Rehabilitation, CM UMK, Bydgoszcz, Poland;
2. South Tyneside Hospital, South Shields, UK;
3. Department of Rehabilitation, CM UMK Bydgoszcz, Poland;
4. Department of Radiology, CM UMK Bydgoszcz, Poland,
5. Department of Radiology, CM UMK Bydgoszcz, Poland.