1. Department of Gynaecology and Obstetrics, University Medical Centre Schleswig-Holstein, Kiel, Germany
2. Department of Pharmaceutical and Medicinal Chemistry, Christian-Albrechts-University Kiel, Pharmaceutical Institute, Kiel, Germany
3. Department of Pharmacy, Uppsala University, Uppsala, Sweden
4. Department of Gynaecology and Obstetrics, University Medical Centre Schleswig-Holstein, Campus Kiel, Arnold-Heller-Str. 3, 24105 Kiel, Germany