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. 2021 Jun 8;12:3429. doi: 10.1038/s41467-021-23784-8

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© The Author(s) 2021

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 4 — a Percentage of papers with IF ≥ 5 that included any form of funding acknowledgements. b From (a), where declared, the source of funding, classified as domestic (black) and international (brown). International funding includes those received from any other country, including other African countries. Percentages are computed from each paper declaring either domestic or international support, or both. c Percentages of funder mentions of all African papers with IF ≥ 5 where international funding was declared (corresponding to the sum of brown columns in (b)). Where present, multiple funder mentions per single paper were individually included. d International funding links from (b, c) displayed by geography. Each funding mention is illustrated with a single line of consistent opacity and thickness. Source data are provided as a Source Data file.