1. Department of Public Health, Academic and Research Medical Institute, Sumy State University, Sumy, Ukraine
2. Center of Scientific Equipment Collective Use, Academic and Research Medical Institute, Sumy, Ukraine
3. Center of Scientific Equipment Collective Use, Academic and Research Medical Institute, Sumy, Ukraine; Silesian University of Technology, Faculty of Chemistry, Gliwice, Poland
4. Department of Public Health, Academic and Research Medical Institute, Sumy State University, Sumy, Ukrain
5. Academic and Research Medical Institute, Sumy, Ukraine
6. University of Latvia, Riga LV 1586, Latvia