Author(s):
1. Tatjana Ignjić, IMC Banja Luka - Affidea, Republic of Srpska, Bosnia and Herzegovina
2. Goran Kolarević, Republic of Srpska, Bosnia and Herzegovina
3. Bojan Pavičar, Affidea, Internacionalni medicinski centar, Centar za Radioterapiju, Dvanaest beba bb, Banja Luka, Pr, Republic of Srpska, Bosnia and Herzegovina