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. 2021 Jan 21;18(3):351–360. doi: 10.1177/1740774520984866

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© The Author(s) 2021

This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 License (https://creativecommons.org/licenses/by-nc/4.0/) which permits non-commercial use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access pages (https://us.sagepub.com/en-us/nam/open-access-at-sage).

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Figure 1. — Flow chart – literature search and article selection.

CVD: cardiovascular disease; NEJM: The New England Journal of Medicine; RCTs: randomised clinical trials.

Research within journal archives and article selection for the covered date range (January 2015–December 2016). [N] Indicates overall numbers of eligible search results according to defined search criteria. Smaller boxes aside indicate numbers of excluded cases. The number of corresponding records was counted at the date of our literature search (results from October 2017 are shown).