Author(s):
1. Nataša Knežević, Medicinski fakultet Banja Luka , Republic of Srpska, Bosnia and Herzegovina
2. Aleksandra Đeri, Medicinski fakultet Banja Luka , Republic of Srpska, Bosnia and Herzegovina
3. Ognjenka Janković, Medicinski fakultet Banja Luka , Republic of Srpska, Bosnia and Herzegovina
4. Irena Kuzmanović, Radman, Republic of Srpska, Bosnia and Herzegovina
5. Renata Josipović, Medicinski fakultet Banja Luka , Republic of Srpska, Bosnia and Herzegovina
6. Vladan Mirjanić, Medicinski fakultet Banja Luka , Republic of Srpska, Bosnia and Herzegovina