Author(s):
1. Radmila Arbutina, Medicinski fakultet Banja Luka , Republic of Srpska, Bosnia and Herzegovina
2. Natasa Trtic, Medicinski fakultet Banja Luka , Republic of Srpska, Bosnia and Herzegovina
3. Ognjenka Janković, Medicinski fakultet Banja Luka , Republic of Srpska, Bosnia and Herzegovina
4. Valentina Veselinović, University of Banja Luka, Medical Faculty, Republic of Srpska, Bosnia and Herzegovina
5. Irena Kuzmanović Radman, Medicinski fakultet Banja Luka , Republic of Srpska, Bosnia and Herzegovina

Abstract