1. Department of Orthodontics, Faculty of Dentistry, Ss. Cyril and Methodius University, 1000 Skopje, Republic of North Macedonia
2. Institute of Applied Chemistry and Pharmaceutical Analysis, Faculty of Pharmacy, Ss. Cyril and Methodius University, 1000 Skopje, Republic of North Macedonia
3. Department of Oral Pathology and Periodontology, Faculty of Dentistry, Ss. Cyril and Methodius University, 1000 Skopje, Republic of North Macedonia