1. Department of Pharmacology and Toxicology, Faculty of Medical Sciences University of Kragujevac Kragujevac Serbia
2. Department of Psychiatry, Faculty of Medical Sciences University of Kragujevac Kragujevac Serbia
3. Department of Communication Skills, Ethics and Psychology, Faculty of Medical Sciences University of Kragujevac Kragujevac Serbia
4. Department of Anatomy, Faculty of Medical Sciences University of Kragujevac Kragujevac Serbia