1. Department of Dental Medicine, University Hospital of Split, 21000 Split, Croatia
2. Department of Oral Medicine and Periodontology, School of Medicine, University of Split, 21000 Split, Croatia
3. Department of Orthodontics and Pediatric Dentistry, University of Maryland School of Dentistry, 650 W. Baltimore Street, Baltimore, MD 21201, USA
4. Department of Medical and Research Technology, University of Maryland School of Medicine, 100 Penn Street, Baltimore, MD 21201, USA