1. Doctoral School of Biomedical Science, University of Oradea, 410087 Oradea, Romania
2. Department of Pharmacy, Faculty of Medical Sciences, University of Kragujevac, 34000 Kragujevac, Serbia
3. Electron Microscopy Centre, Faculty of Biology and Geology, Babeș-Bolyai University, 44 Republicii St., 400015 Cluj-Napoca, Romania
4. Integrated Electron Microscopy Laboratory, National Institute for Research and Development of Isotopic and Molecular Technologies, 67-103 Donat St., 400293 Cluj-Napoca, Romania
5. Department of Food Engineering, Faculty of Environmental Protection, University of Oradea, 410048 Oradea, Romania