1. Reproductive Unit, Department of Obstetrics and Gynaecology, University Medical Centre Ljubljana, 1000 Ljubljana, Slovenia
2. Institute for Anatomy and Cell Biology, School of Medicine, University of Heidelberg, 69120 Heidelberg, Germany
3. TATAA Biocenter, 41103 Göteborg, Sweden
4. Laboratory of Gene Expression, Institute of Biotechnology, Academy of Sciences of the Czech Republic, 14220 Prague, Czech Republic
5. Blood Transfusion Centre of Slovenia, 1000 Ljubljana, Slovenia
6. Institute for Anatomy, School of Medicine, University of Tübingen, 72074 Tübingen, Germany