title: Reply.
authors.affiliation: 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.
authors.forename: Robert A
authors.initials: RA
authors.lastname: Bednarczyk
authors.affiliation: Hubert Department of Global Health and Department of Epidemiology, Rollins School of Public Health, Emory University, Atlanta, GA.
authors.forename: Daniella
authors.initials: D
authors.lastname: Figueroa-Downing
authors.affiliation: Department of Obstetrics and Gynecology, University of Kansas Medical Center, Kansas City, KS.
authors.forename: Kevin
authors.initials: K
authors.lastname: Ault