1. University of Banja Luka, Faculty of Medicine, Division of Periodontology and Oral Medicine, Banja Luka, Bosna and Herzegovina
2. University of Rijeka, Faculty of Medicine, Division of Oral Medicine and Periodontology, Rijeka, Croatia
3. University of Banja Luka, Faculty of Medicine, Division of Endodontics, Banja Luka, Bosna and Herzegovina
4. University Clinical Centre of the Republic of Srpska, Maxillofacial Surgery Clinic, Banja Luka, Bosna and Herzegovina
5. University of Banja Luka, Faculty of Medicine, Division of Oral Surgery, Banja Luka, Bosna and Herzegovina
6. University of Banja Luka, Faculty of Medicine, Division of Prosthodontics, Banja Luka, Bosna and Herzegovina
7. University of Banja Luka, Faculty of Medicine, Division of Pediatric Dentistry, Banja Luka, Bosna and Herzegovina