Table 1.

Sources searched

Search type	Search sources
OVID Medline searched as per search algorithm detailed in protocol	Bibliographic databases	OVID Medline, OVID Embase, Cochrane Library, CEA Registry, HMIC, Econlit, VHL Portal (includes LILACS), African Index Medicus, NHS EED, Web of Science (including CPCI)
Key word searches	Website searches	TRIP, National Guideline Clearinghouse, Office of health economics International Guideline Library, CHEPA, CHE York HTAi, CADTH, INAHTA
	Organizational databases/websites	WHO e-health documentation centre and WHO website, UNICEF, UNAIDS UNFPA, African development bank, Asian Development Bank, EBRD, World Bank, MSF, UNDP, UNFPA
	National/regional donor or research agencies	DFID, MSH, AUSAID, GIZ, BMZ, JICA, SWISSAID, CIDA (Canada), DANIDA, AFD, ACORD, SIDA, IAC
	Grey literature	ZETOC

^a Pascal was mentioned in the protocol but was not accessible; ‘Solutions for public health’, BMJ Clinical Evidence and EBRD were searched but found not relevant – searches were discontinued