1 Hubert Department of Global Health and Department of Epidemiology, Rollins School of Public Health, Emory University; Cancer Prevention and Control Program, Winship Cancer Institute; and Emory Vaccine Center, Atlanta, GA. Electronic address: rbednar@emory.edu.
2 Hubert Department of Global Health and Department of Epidemiology, Rollins School of Public Health, Emory University, Atlanta, GA.
3 Department of Obstetrics and Gynecology, University of Kansas Medical Center, Kansas City, KS.