1. Department of Obstetrics and Gynaecology, Medical University of Graz , Graz, Austria
2. Departamento de Medicina, Facultad de Ciencias Biomédicas y de la Salud, Universidad Europea de Madrid , Madrid, Spain
3. Institute of Pharmacology and Toxicology, University of Wuerzburg , Wuerzburg, Germany
4. Femina Med Center , Graz, Austria
5. Department of Reproductive Biology, Case Western Reserve University , Cleveland, OH, USA
6. Division of Cell Biology, Histology and Embryology, Gottfried Schatz Research Center, Medical University of Graz , Graz, Austria
7. Department of Paediatrics and Adolescent Medicine, Medical University of Graz , Graz, Austria
8. Research Unit of Analytical Mass Spectrometry, Cell Biology and Biochemistry of Inborn Errors of Metabolism, Medical University of Graz , Graz, Austria