1. Department of Gynecology, General Hospital Bar , Bar , Montenegro
2. Department of Pathology, University Medical Center Kragujevac , Kragujevac , Serbia
3. Clinic for Infectious Diseases, Clinical Center of Montenegro , Podgorica , Montenegro
4. Clinic of Gynecology and Obstetrics, Clinical Center of Montenegro , Podgorica , Montenegro
5. Medical faculty, University of Montenegro , Podgorica , Montenegro