1. Department of Paediatric Orthopaedics and Traumatology, Poznań University of Medical Sciences, Poznań, Poland
2. Department of Spine Disorders and Paediatric Orthopaedics, Poznań University of Medical Sciences, Poznań, Poland
3. Department of Zoology, Poznań University of Life Sciences, Poznań, Poland
4. Division of Virtual Engineering, Poznań University of Technology, Poznań, Poland
5. Faculty of Medicine, Carl Gustav Carus: Dresden, Sachsen, Germany
6. Poznań University of Medical Sciences, Poznań, Poland