1. Faculty of Medical Sciences, Clinical Center “Kragujevac”, Department for Anesthesiology and Reanimation, Kragujevac
2. Faculty of Medical Sciences, Clinical Center “Kragujevac”, Department for Clinical Pharmacology, Kragujevac
3. Faculty of Medical Sciences, Clinical Center “Kragujevac”, Clinic for Nephrology and Urology, Kragujevac
4. Faculty of Medical Sciences, Clinical Center “Kragujevac”, Clinic for Surgery, Kragujevac
5. Faculty of Medical Sciences, Clinical Center “Kragujevac”, Clinic for Cardiology, Kragujevac
6. Faculty of Medicine, Institute for Medical Statistics and Informatics, Belgrade
7. Faculty of Medical Sciences, Clinical Center “Kragujevac”, Department of Psychiatry, Kragujevac
8. Military Medical Academy, Department of Thoracic Surgery, Belgrade
9. Faculty of Medical Sciences, Clinical Center “Kragujevac”, ‡‡Department for Histology, Kragujevac