1. Department of Histology and Embryology, Faculty of Medicine Masaryk University Brno Czech Republic
2. Advanced Instrumentation and Methods for Materials Characterization CEITEC Brno University of Technology Brno Czech Republic
3. Institute of Histology and Embryology First Faculty of Medicine, Charles University Prague Czech Republic
4. Department of Cell Biology, Faculty of Science Charles University Prague Czech Republic
5. Institute of Dental Medicine, First Faculty of Medicine Charles University Prague Czech Republic
6. Institute of Anatomy, First Faculty of Medicine Charles University Prague Czech Republic
7. Department of Craniofacial Sciences School of Dental Medicine University of Connecticut Farmington CT USA