1. Department of Dentistry Faculty of Medical Sciences University of Kragujevac Kragujevac Serbia
2. Department of Physiology Faculty of Medical Sciences University of Kragujevac Kragujevac Serbia
3. Department of Human Pathology 1st Moscow State Medical University IM Sechenov Moscow Russia
4. Department of Pathology Faculty of Medical Sciences University of Kragujevac Kragujevac Serbia
5. Department of Pharmacy Faculty of Medical Sciences University of Kragujevac Kragujevac Serbia