1. Gynecology Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY, USA;
2. Gynecologic Medical Oncology Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, USA;
3. Department of Medicine, Weill Cornell Medical College, New York, NY, USA;
4. Department of Obstetrics and Gynecology, Weill Cornell Medical College, New York, NY, USA