1. Clinic for Obstetrics and Reproduction of Animals, Veterinary Faculty University of Zagreb, Zagreb, Croatia
2. Department for Animal Nutrition and Dietetics, Veterinary Faculty University of Zagreb, Zagreb, Croatia
3. Department for Physiology and Radiobiology, Veterinary Faculty University of Zagreb, Zagreb, Croatia
4. Department of Anatomy, Histology and Embriology, Veterinary Faculty University of Zagreb, Zagreb, Croatia
5. Veterinary Practice, Đurđevac, Croatia
6. Belupo d.d. Danica, Koprivnica, Croatia
7. Animal Feed Factory, Čakovec, Croatia
8. Faculty of Medicine, Department of Urology, Josip Juraj Strossmayer University of Osijek, Osijek, Croatia
9. Department of Cellular Immunology, Baxter Hyland Immuno, Vienna, Austria
10. Croatian Academy of Sciences and Arts, Croatian Academy of Sciences and Arts, Zagreb, Croatia
11. Department of Reproduction, Veterinary Scientific Institute, Novi Sad, Serbia
12. Department for Physiology and Biochemistry, Faculty of Veterinary Medicine, University of Belgrade, Belgrade, Serbia
13. Department of Biology, Veterinary Faculty University of Zagreb, Zagreb, Croatia