Fig. 1From: Care cascade structural intervention versus standard of care in the diagnosis and treatment of HIV in China: a cluster-randomized controlled trial protocolDiagram of study design. This diagram illustrates the cluster-randomized controlled study design with one-to-one allocation of twelve county-level hospitals to either the control arm (current standard of care [SOC]) or the intervention arm (the “One4All” strategy intended to streamline the HIV care cascade)Back to article page