1. EndoCare Institute, Endocrinology Center, 1095 Budapest, Hungary
2. School of PhD Studies, Semmelweis University, 1085 Budapest, Hungary
3. Department of Obstetrics and Gynecology, Semmelweis University, 1082 Budapest, Hungary
4. Workgroup of Research Management, Doctoral School, Semmelweis University, 1085 Budapest, Hungary
5. Department of Obstetrics and Gynecology, University of Szeged, 6725 Szeged, Hungary