Fig. 1: Conceptual overview of the ISF experiment within the context of the parent SAT2HIV Project.From: Testing the implementation and sustainment facilitation (ISF) strategy as an effective adjunct to the Addiction Technology Transfer Center (ATTC) strategy: study protocol for a cluster randomized trial Note: MIBI motivational interviewing-based brief intervention; ISF implementation and sustainment facilitation; UC usual care; bolded arrows represent hypothesized relationships; dashed arrows represent interactions and cross-level interactions that will be examinedBack to article page