1. Centre of Nuclear Medicine, Clinical Center Kragujevac and Faculty of Medical Sciences Kragujevac, University of Kragujevac, Kragujevac, Serbia.
2. Centre of Clinical Pharmacology, Clinical Center Kragujevac and Faculty of Medical Sciences Kragujevac, University of Kragujevac, Kragujevac, Serbia.
3. Faculty of Technical Sciences, University of Kragujevac, Cacak, Serbia.
4. Prizma Company, Kragujevac, Serbia.
5. Center of Nuclear Medicine, Clinical Center Nis and Medical Faculty Nis, University of Nis, Nis, Serbia.