Author(s):
1. Mirjana Umićević Davidović, Medicinski fakultet Banja Luka , Republic of Srpska, Bosnia and Herzegovina
2. Adriana Arbutina, Medicinski fakultet Banja Luka , Republic of Srpska, Bosnia and Herzegovina
3. Marijana Arapović Savić, Medicinski fakultet Banja Luka , Republic of Srpska, Bosnia and Herzegovina
4. Vladan Mirjanić, Medicinski fakultet Banja Luka , Republic of Srpska, Bosnia and Herzegovina

Abstract