1. Assistant Professor, Faculty of Occupational Safety in Niš, Working and Living Environment Quality, Univ. of Niš, Niš 18000, Serbia (corresponding author).
2. Full Professor, Faculty of Occupational Safety in Niš, Working and Living Environment Quality, Univ. of Niš, Niš 18000, Serbia.
3. Associate Professor, Faculty of Occupational Safety in Niš, Energy Processes and Safety, Univ. of Niš, Niš 18000, Serbia. ORCID: .