Statistics / Population Genetics / Adoption / Survival Analysis / Multivariate Analysis / Humans / Case Study / Hiv Infection / Public health systems and services research / Combination drug therapy / Survival Time / Likelihood Functions / Overall Survival / Antiviral Agents / Acquired immunodeficiency syndrome / Humans / Case Study / Hiv Infection / Public health systems and services research / Combination drug therapy / Survival Time / Likelihood Functions / Overall Survival / Antiviral Agents / Acquired immunodeficiency syndrome