1. Department of Obstetrics & Gynecology, Womack Army Medical Center, Fort Bragg, NC, USA
2. Lineberger Comprehensive Cancer Center, University of North Carolina School of Medicine, Chapel Hill, NC, USA
3. Department of Health Behaviors, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
4. Medical One Stop, Womack Army Medical Center, Fort Bragg, NC, USA