1. Rollins School of Public Health, Emory University, Atlanta, Georgia, USA.
2. Department of Biostatistics, Markey Cancer Center, Markey Cancer Center, Lexington, Kentucky, USA.
3. Department of Obstetrics & Gynecology, Markey Cancer Center, Lexington, Kentucky, USA.
4. Division of Gynecologic Oncology, Markey Cancer Center, Lexington, Kentucky, USA.