 - If coinfected with human immunodeficiency virus HIV is not currently on antiretroviral therapy ART and has no plans to initiate ART treatment while participating in this study OR has well controlled HIV on ART the ART regimen must contain only the following antiretroviral medications: tenofovir, abacavir, lamivudine, emtricitabine, raltegravir, dolutegravir, and rilpivirine with no dose modifications or changes in drugs in the 4 weeks prior to study entry Day 1 