1. Faculty of Earth Science, University of Silesia, Sosnowiec, Poland
2. Institute of Materials Science, University of Silesia, Chorzów, Poland
3. Silesian Center for Education and Interdisciplinary Research, Chorzów, Poland
4. Institute of Paleobiology, Polish Academy of Sciences, Warsaw, Poland
5. Institute of Physics, University of Silesia, Chorzów, Poland
6. Department of Histology, Jagiellonian University Medical College, Kraków, Poland