1. Private dental practice Grizelj, 88340 Grude, Bosnia and Herzegovina
2. Department of Endodontics and Restorative Dentistry, School of Dental Medicine, University of Zagreb, 10000 Zagreb, Croatia
3. Department of Prosthodontics, Study of Dental Medicine, School of Medicine, University of Split, 21000 Split, Croatia
4. Department of Dental Medicine, University Hospital Center of Split, 21000 Split, Croatia
5. Department of Public Health, School of Medicine, University of Split, 21000 Split, Croatia
6. The University Department of Health Studies, University of Split, 21000 Split, Croatia
7. Department of Endodontics and Restorative Dentistry, Study of Dental Medicine, School of Medicine, University of Split, 21000 Split, Croatia