1. University Clinical Centre of Serbia, Clinic for Gynecology and Obstetrics, Belgrade, Serbia + University of Belgrade, Faculty of Medicine, Belgrade, Serbia
2. University of Belgrade, Faculty of Medicine, Institute of Social Medicine, Belgrade, Serbia
3. University of Novi Sad, Institute of Oncology of Vojvodina, Clinic for Operative Oncology, Novi Sad, Serbia
4. University of Belgrade, Faculty of Medicine, Institute of Medical Statics and Informatics, Belgrade, Serbia
5. University Clinical Centre of Serbia, Clinic for Gynecology and Obstetrics, Belgrade, Serbia
6. University of Belgrade, Faculty of Medicine, Belgrade, Serbia + University Clinical Centre of Serbia, Clinic for Endocrinology, Diabetes and Metabolic Diseases, Belgrade, Serbia
7. University of Belgrade, Faculty of Medicine, Belgrade, Serbia
8. University of Belgrade, Faculty of Medicine, Institute for Medical Pathophysiology, Belgrade, Serbia
9. University of Belgrade, Faculty of Medicine, Institute of Medical Physiology, Belgrade, Serbia
10. University of Belgrade, Faculty of Medicine, Belgrade, Serbia + Narodni Front University Clinic for Gynecology and Obstetrics, Belgrade, Serbia
11. University of Belgrade, Faculty of Medicine, Belgrade, Serbia + University Clinical Centre of Serbia, Division of Cardiology, Belgrade, Serbia