1. MD Clinic For Obstetrics And Gynecology, University Clinical Centre of Serbia, Dr Koste Todorovica 26, Belgrade, Serbia.
2. Clinic For Obstetrics And Gynecology, University Clinical Centre of Serbia, Dr Koste Todorovica 26, Belgrade, Serbia
3. Clinic For Obstetrics And Gynecology, University Clinical Centre of Serbia, Dr Koste Todorovica 26, Belgrade, Serbia, Medical Faculty, Clinic For Obstetrics And Gynecology, University of Belgrade Clinical Centre of Serbia, Dr Koste Todorovica 26, Belgrade, Serbia