1. Department of Pediatric Dentistry, Faculty of Dental Medicine, University of Rijeka, 51000 Rijeka, Croatia
2. Dental Clinic, Clinical Hospital Center Rijeka, 51000 Rijeka, Croatia
3. Department of Pediatric and Preventive Dentistry, School of Dental Medicine, University of Zagreb, 10000 Zagreb, Croatia
4. University Dental Clinic, University Hospital Centre Zagreb, 10000 Zagreb, Croatia