1. Institute for the Application of Nuclear Energy – INEP, University of Belgrade, Zemun-Belgrade, Serbia
2. Institute of Pathology, School of Medicine, University of Belgrade, Belgrade, Serbia
3. Institute of Medical Chemistry, Faculty of Medicine, University of Belgrade, Belgrade, Serbia
4. Center for Endocrine Surgery, Clinic for Endocrinology, Diabetes and Diseases of Metabolism, Clinical Center of Serbia, Belgrade, Serbia
5. School of Medicine, Clinical Center of Serbia, University of Belgrade, Belgrade, Serbia