Author(s):
1. Barbara Stanimirović, klinicki centar republike srpske, Republic of Srpska, Bosnia and Herzegovina
2. Dragi Stanimirović, klinicki centar republike srpske, Republic of Srpska, Bosnia and Herzegovina
3. Sonja Đurić, UKCRS, Republic of Srpska, Bosnia and Herzegovina
4. Tatjana Mamić, UKC RS Banajluka, Republic of Srpska, Bosnia and Herzegovina