Аутори:
1. Zorana Stamenković, Clinic of Orthodontics, School of Dentistry, University of Belgrade, Serbia
2. Nenad Nedeljković, Clinic of Orthodontics, School of Dentistry, University of Belgrade, Serbia
3. Владан Мирјанић, Медицински факултет Бања Лука , Republic of Srpska, Bosnia and Herzegovina