1. Medical Faculty University of Belgrade Belgrade Serbia
2. Clinic for Gynecology and Obstetrics University Clinical Center of Serbia Belgrade Serbia
3. Department of Neonatology Clinic for Gynecology and Obstetrics University Clinical Center of Serbia Belgrade Serbia
4. Clinic of Obstetrics and Gynecology "Narodni Front" Belgrade Serbia
5. Department of Obstetrics and Gynecology “Veris delli Ponti Hospital” Scorrano Italy
6. Division of Experimental Endoscopic Surgery, Imaging, Technology and Minimally Invasive Therapy Vito Fazzi Hospital Lecce Italy
7. Laboratory of Human Physiology Phystech BioMed School Faculty of Biological & Medical Physics Moscow Institute of Physics and Technology (State University) Dolgoprudny Russia