Table 3.

Search strategy: PubMed format

1	LMIC’s
2	(Models AND “health system”) OR (Models AND governance) OR “workforce management” OR (workforce AND management) OR Assessment OR “priority setting” OR strategy OR (Community AND engagement) OR “Community engagement” OR (external AND aid) OR “health literacy” OR (public AND private) OR “public private”
3	“Policy” (Mesh) OR Governance OR “Social Responsibility” (Mesh) OR (Social AND responsibility) OR purchas* OR corruption OR coordination OR compliance
4	Primary healthcare(MeSH Terms) OR “primary Healthcare” (Text Word) OR PHC(Text Word)
5	#1 AND #2 AND #3 AND #4
6	Restrict #5 to year=1980 and 2017
7	Restrict #6 to English language

Search strategy for low-income and middle-income countries (LMICs) is provided as online supplementary file.