1. Department of Natural Sciences, Faculty of Medicine, West–Kazakhstan Marat Ospanov State Medical University, Aktobe, Kazakhstan.
2. Department of Gystology, Faculty of Medicine, West–Kazakhstan Marat Ospanov State Medical University, Aktobe, Kazakhstan.
3. Continuing Professional Development Center, West–Kazakhstan Marat Ospanov State Medical University, Aktobe, Kazakhstan.
4. Department of Radiation diagnostics, Faculty of Medicine, West–Kazakhstan Marat Ospanov State Medical University, Aktobe, Kazakhstan.