1. George Washington University School of Medicine and Health Sciences, Washington, DC, USA
2. Palo Alto Medical Foundation Research Institute, Palo Alto, CA, USA
3. University of California, Irvine School of Medicine, Irvine,CA, USA
4. Department of Radiation Oncology, Stanford University School of Medicine, Stanford, CA, USA
5. Division of Gynecologic Oncology, University of South Florida, Tampa, FL, USA
6. Division of Palliative Medicine, University of South Florida, Tampa, FL, USA
7. Division of Gynecologic Oncology, California Pacific-Palo Alto Medical Foundation, Sutter Research Institute, San Francisco, CA, USA