Author(s):
1. Zorana Stamenković, Clinic of Orthodontics, School of Dentistry, University of Belgrade, Serbia
2. Vanja Stojic, Stomatoloski fakultet u Beogradu, Serbia
3. Nemanja Marinkovic, Stomatoloski fakultet u Beogradu, Serbia
4. Jovan Marković, University of Belgrade, School of Dental Medicine, Clinic of Orthodontics, Belgrade, Serbia, Serbia
5. Ivan Arsic, 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