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Table 1 Databases used in search strategy

From: Studying the consumption and health outcomes of fiscal interventions (taxes and subsidies) on food and beverages in countries of different income classifications; a systematic review

Medline (OvidSP) [1946-present], PubMed, EconLit and PAIS (Proquest), Global Health (OvidSP) [1973-present], Global Health Library:

http://www.globalhealthlibrary.net/php/index.php, Dissertations & Theses (Proquest), Science Citation Index, Social Science Citation Index, Conference Proceedings Citation Index – Science & Conference Proceedings Citation Index – Social Science & Humanities (Web of Science, Thomson Reuters)[1945-present], OECDiLibrary, ClinicalTrials https://clinicaltrials.gov/, OPENGrey http://www.opengrey.eu/, www.google.com, using Google to search specific web-sites: OECD, World Bank, WHO.org Sites & Org.uk. We used the Thomson Research Soft Endnote 5 present review [54].