1. Pannon Reproduction Institute, 8300 Tapolca, Hungary
2. Urology Clinic, University of Pécs Clinical Centre, 7621 Pécs, Hungary
3. National Laboratory on Human Reproduction, University of Pécs, 7624 Pécs, Hungary
4. Department of Analytical Biochemistry, Institute of Biochemistry and Medical Chemistry, University of Pécs Medical School, 7624 Pécs, Hungary
5. MTA-PTE Human Reproduction Scientific Research Group, 7624 Pécs, Hungary
6. Szentágothai Research Centre, Department of Physiology, Medical School, University of Pécs, 7624 Pécs, Hungary