1. Department of Obstetrics and Gynecology, Medical School University of Pécs, 7624 Pécs, Hungary
2. MTA-PTE Human Reproduction Scientific Research Group, University of Pécs, 7624 Pécs, Hungary
3. Obstetrics and Gynecology, Magyar Imre Hospital Ajka, 8400 Ajka, Hungary
4. Stead Family Department of Pediatrics, University of Iowa, Iowa City, IA 52242, USA
5. Department of Laboratory Medicine, Medical School University of Pécs, 7624 Pécs, Hungary
6. Department of Pediatrics, Medical School University of Pécs, 7624 Pécs, Hungary