1. Pronatal Belgrade Hospital , International Academy of Perinatal Medicine, International Academy of Science and Arts in Bosnia and Herzegovina , Belgrade , Serbia
2. Department of Obstetrics and Gynecology Medical School University of Zagreb Croatia , International Academy of Perinatal Medicine, International Academy of Science and Arts in Bosnia and Herzegovina , Zagreb , Croatia
3. Obstetrics & Gynecology , Lenox Hill Hospital , New York , USA
4. Obstetrics & Gynecology , Associate Dean for International Medicine , New York , USA