title: Reply to Tsai et al.
authors.forename: Helen M
authors.initials: HM
authors.lastname: Chun
authors.forename: Chloe L
authors.initials: CL
authors.lastname: Thio
authors.forename: Brian K
authors.initials: BK
authors.lastname: Agan
authors.forename: Michael L
authors.initials: ML
authors.lastname: Landrum
mesh_terms: D000163:Acquired Immunodeficiency Syndrome / Q000453:epidemiology*; D060085:Coinfection / Q000821:virology*; D018450:Disease Progression; D005260:Female; D006679:HIV Seropositivity / Q000821:virology*; D019694:Hepatitis B, Chronic / Q000150:complications* / Q000821:virology*; D006801:Humans; D008297:Male