Author(s):
1. Zorana Stamenković, Clinic of Orthodontics, School of Dentistry, University of Belgrade, Serbia
2. Jovan Marković, University of Belgrade, School of Dental Medicine, Clinic of Orthodontics, Belgrade, Serbia, Serbia
3. Ivan Arsic, Stomatoloski fakultet u Beogradu, Serbia
4. Vanja Stojic, Stomatoloski fakultet u Beogradu, Serbia
5. Nemanja Marinkovic, Stomatoloski fakultet u Beogradu, Serbia
6. Nenad Nedeljković, Clinic of Orthodontics, School of Dentistry, University of Belgrade, Serbia
7. Vladan Mirjanić, Medicinski fakultet Banja Luka ,
Republic of Srpska, Bosnia and Herzegovina