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