Author(s):
1. Valentina Veselinović, University of Banja Luka, Medical Faculty, Republic of Srpska, Bosnia and Herzegovina
2. Rebeka Rudolf, University of Maribor, Faculty of Mechanical Engineering, Slovenia
3. Nataša Trtić, Republic of Srpska, Bosnia and Herzegovina
4. Verica Pavlić, PHI Institute of Dentistry, Banja Luka, Republic of Srpska, Bosnia and Herzegovina