1 Division of Gynecologic Oncology, Department of Ob/Gyn, Northwestern University Feinberg School of Medicine, Robert H Lurie Comprehensive Cancer Center, Chicago, IL 60611, United States of America.
2 Dept. of Gynecologic Oncology and Reproductive Medicine, University of Texas, MD Anderson Cancer Center, Houston, TX 77030, United States of America.
3 University of Cincinnati Cancer Center & University of Cincinnati Dept. Of Ob/Gyn, Cincinnati, OH 45267, United States of America. Electronic address: thomas.herzog@uc.edu.