1. Masonic Cancer Center, University of Minnesota, Minneapolis, Minnesota, USA
2. Department of Obstetrics, Gynecology and Women's Heath, University of Minnesota, Minneapolis, Minnesota, USA
3. Department of Pharmaceutical Sciences, University of Ferrara, Ferrara, Italy
4. Department of Pathology, Johns Hopkins University, Baltimore, MD, USA
5. Department of Oncology, Johns Hopkins University, Baltimore, MD, USA
6. Department of Gynecology and Obstetrics, Johns Hopkins University, Baltimore, MD, USA