 The duration of this study was between 96 and 192 weeks, depending on when the participant enrolled. There were a total of 1,809 participants, approximately 600 per treatment arm. Screening and pre-entry evaluations must occur prior to the participant starting any study medication, treatments, or interventions. Participants were randomly assigned to their treatment groups at the entry visit and must begin treatment within 72 hours of randomization. Participants was told which group they were in and what medications they were administered. The study drugs were distributed at entry. All drugs were provided by the study with the exception of RTV, which would have to be obtained through the participants primary care physician Group A or C. If a participant was unable to tolerate any of the study medications during the course of the study then their doctor could switch them to another regimen. 