1. Department of Anatomy, Histology and Embryology, Faculty of Veterinary Medicine, University of Veterinary and Pharmaceutical Sciences, Brno, Czech Republic
2. Companion Care Animal Surgery, Broadstairs, Kent, UK
3. Institute of Animal Physiology and Genetics, V.v.i., Academy of Sciences of Czech Republic, Brno, Czech Republic
4. Department of Oral and Maxillofacial Surgery, University Hospital, Ostrava, Ostrava-Poruba, Czech Republic
5. Department of Oral and Maxillofacial Surgery, University Hospital Brno, Brno, Czech Republic
6. Department of Oral and Maxillofacial Surgery, University Hospital Prague, Prague, Czech Republic