title: Diagnosing and responding to violations in the positivity assumption.
authors.affiliation: Division of Biostatistics, University of California, Berkeley, CA 94110-7358, USA. mayaliv@berkeley.edu
authors.forename: Maya L
authors.initials: ML
authors.lastname: Petersen
authors.forename: Kristin E
authors.initials: KE
authors.lastname: Porter
authors.forename: Susan
authors.initials: S
authors.lastname: Gruber
authors.forename: Yue
authors.initials: Y
authors.lastname: Wang
authors.forename: Mark J
authors.initials: MJ
authors.lastname: van der Laan
mesh_terms: D019380:Anti-HIV Agents / Q000627:therapeutic use; D015982:Bias; D035843:Biomedical Research / Q000706:statistics & numerical data*; D015331:Cohort Studies; D003198:Computer Simulation / Q000706:statistics & numerical data; D015986:Confounding Factors, Epidemiologic; D003627:Data Interpretation, Statistical; D024882:Drug Resistance, Viral; D015658:HIV Infections / Q000188:drug therapy / Q000235:genetics; D006801:Humans; D061466:Lopinavir / Q000627:therapeutic use; D015233:Models, Statistical; D009154:Mutation; D016896:Treatment Outcome
chemical_list: D019380:Anti-HIV Agents; D061466:Lopinavir