1 Jacobs Institute of Women's Health, Milken Institute School of Public Health, George Washington University, Washington, DC; Department of Health Policy and Management, Milken Institute School of Public Health, George Washington University, Washington, DC. Electronic address: sfwood@gwu.edu.
2 Jacobs Institute of Women's Health, Milken Institute School of Public Health, George Washington University, Washington, DC; Department of Health Policy and Management, Milken Institute School of Public Health, George Washington University, Washington, DC.
3 Jacobs Institute of Women's Health, Milken Institute School of Public Health, George Washington University, Washington, DC.