Autori:
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, Republic of Srpska, Bosnia and Herzegovina
4. Valentina Veselinović, Republic of Srpska, Bosnia and Herzegovina