1. Laboratory for Molecular Biology and Endocrinology, Vinča Institute of Nuclear Sciences, University of Belgrade, Belgrade, Serbia
2. Institute for Biological Research “Siniša Stanković”, University of Belgrade, Belgrade, Serbia
3. Clinic for Endocrinology, Diabetes and Metabolic Diseases, Clinical Center of Serbia and Faculty of Medicine, University of Belgrade, Belgrade, Serbia
4. CHC Bežanijska kosa, Belgrade, Serbia