1. Department of OB/GYN and REI (UniKiD), Medical Faculty and University Hospital Duesseldorf, Heinrich-Heine University, 40255 Duesseldorf, Germany
2. Institute for Molecular Medicine, Medical Faculty and University Hospital Duesseldorf, Heinrich-Heine University, 40225 Duesseldorf, Germany
3. Molecular Proteomics Laboratory, Biomedical Research Centre (BMFZ), Heinrich-Heine-University, Universitätsstrasse 1, 40225 Duesseldorf, Germany