Author(s):
1. Aleksandra Grebenar, Medicinski fakultet Banja Luka ,
Republic of Srpska, Bosnia and Herzegovina
2. Valentina Veselinović,
Republic of Srpska, Bosnia and Herzegovina
3. Sanja Gnjato, Medicinski fakultet Banja Luka ,
Republic of Srpska, Bosnia and Herzegovina
4. Aleksandra Đeri, Medicinski fakultet Banja Luka ,
Republic of Srpska, Bosnia and Herzegovina