1. X-ray Microtomography Lab, Department of Computer Biomedical Systems, Institute of Computer Science, University of Silesia, Sosnowiec, Poland
2. Department of Orthopedics and Traumatology, City Hospital in Zabrze, Zabrze, Poland
3. Galen-Orthopaedics, Bieruń, Poland
4. Department of Physiotherapy Basics, Academy of Physical Education in Katowice, Katowice, Poland