1. Department of Biomaterials and Tissue Engineering, Institute of Physiology of the Czech Academy of Sciences, Prague, Czech Republic
2. Second Faculty of Medicine, Charles University, Prague, Czech Republic
3. Faculty of Physical Education and Sport, Charles University, Prague, Czech Republic
4. Department of Orthopaedics, First Faculty of Medicine, Charles University and Na Bulovce Hospital, Prague, Czech Republic
5. Department of Orthopaedics, Masaryk Hospital, Usti Nad Labem, Czech Republic