1. Ministry of Environmental Protection and Energy, Osijek, Croatia
2. Josip Juraj Strossmayer University of Osijek, Department of Biology, Osijek, Croatia
3. Josip Juraj Strossmayer University of Osijek, Department of Biology, Osijek, Croatia + Josip Juraj Strossmayer University of Osijek, Faculty of Dental Medicine and Health, Osijek, Croatia
4. Josip Juraj Strossmayer University of Osijek, Faculty of Dental Medicine and Health, Osijek, Croatia + Josip Juraj Strossmayer University of Osijek, Faculty of Humanities and Social Sciences, Osijek, Croatia