1. Department of Toxicology, Faculty of Medicine, University of Banja Luka, Banja Luka, Bosnia and Herzegovina
2. Department of Medical Biochemistry, Faculty of Pharmacy, University of Belgrade, Beograd, Serbia
3. Institute of Occupational and Sports Health in Republic of Srpska, Banja Luka, Bosnia and Herzegovina
4. Department of Toxicology “Akademik Danilo Soldatović”, Faculty of Pharmacy, University of Belgrade, Beograd, Serbia