title: Lost Opportunities Concerning Loss-to-Follow-up: A Response to Elul et al.
authors.affiliation: Department of Epidemiology, University of North Carolina Gillings School of Global Public Health, Chapel Hill, NC.
authors.forename: Paula D
authors.initials: PD
authors.lastname: Strassle
authors.forename: Jacqueline E
authors.initials: JE
authors.lastname: Rudolph
authors.forename: Bryna J
authors.initials: BJ
authors.lastname: Harrington
authors.forename: Sara N
authors.initials: SN
authors.lastname: Levintow
mesh_terms: D005500:Follow-Up Studies; D015658:HIV Infections; D006801:Humans; D059012:Lost to Follow-Up