“…Within HIV facilities, 15 studies explored micro level integration [33][34][35][36][37]48,49,52,[61][62][63]67,[69][70][71], one described meso level clinical integration [60] and five described macro level integration [45,50,57,73,74]. Similarly, within substance use facilities, the majority of studies were micro level integrations (n =1 2 ) [40,41,44,47,51,58,59,66,68,76,77,79,80,82], with three meso level integrations [46,56,65]. In other facilities, three studies described micro level integration [38,39,53], two described meso level integration [42,43] and two described macro level integration [55,78].…”