1. Pediatric Clinic, Clinical Center of the University of Sarajevo, 71000 Sarajevo, Bosnia and Herzegovina
2. Center for Biomedical Sciences, Faculty of Medicine Foča, University of East Sarajevo, 73300 Foča, Bosnia and Herzegovina
3. Department of Pediatrics, Faculty of Medicine Foča, University of East Sarajevo, 73300 Foča, Bosnia and Herzegovina
4. Serbian Academy of Sciences and Arts, 11000 Belgrade, Serbia
5. Institute for the Application of Nuclear Energy, University of Belgrade, 11080 Belgrade, Serbia
6. Clinic for Children’s Diseases, University Clinical Center of Banja Luka, 51000 Banja Luka, Bosnia and Herzegovina