1. Laboratory for Molecular Biology and Endocrinology; Vinča Institute of Nuclear Sciences; University of Belgrade; Belgrade Serbia
2. Department for Physiology and Biochemistry; Faculty of Veterinary Medicine; University of Belgrade; Belgrade Serbia
3. Department for Ruminants and Swine Diseases; Faculty of Veterinary Medicine; University of Belgrade; Belgrade Serbia
4. Department for Reproduction, Fertility and Artificial Insemination; Faculty of Veterinary Medicine; University of Belgrade; Belgrade Serbia
5. Laboratory for Radioisotopes; Vinča Institute of Nuclear Sciences; University of Belgrade; Belgrade Serbia