Evaluation of a Computer-Based System Using Cell Phones for HIV People in Peru

Inclusion Criteria: * HIV-positive healthy male or female aged greater than or equal to 18 * Currently on ART * Patients with a mobile phone for their personal use (not shared) * Patients who know how to retrieve read text messages on their mobile phone * Signed and dated written informed consent prior to admission to the study Exclusion Criteria: * Patients whose clinical condition might have interfered with the study (e.g., deafness, serious mental illness, mental retardation) * Patients unable to give their informed consent.