1. Department of Normal Anatomy with Courses of the Topographical Anatomy, the Operational Surgery, Histology, Cytology and Embryology, Sumy State University, Sumy, Ukraine
2. Department of Family and Public Medicine, Section “Stomatology”, Sumy State University, Sumy, Ukraine
3. Department of Pathology, Sumy State University, Sumy, Ukraine
4. Sumy State University, Sumy, Ukraine