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. 2024 May 2;13:120. doi: 10.1186/s13643-024-02531-2

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© The Author(s) 2024

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 licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence 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 licence, visit http://creativecommons.org/licenses/by/4.0/. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated in a credit line to the data.

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Fig. 3 — Country of first authors for non-Cochrane systematic reviews and Cochrane reviews. The plot of the number of publication (y-axis) of Cochrane reviews (A) and non-Cochrane systematic reviews (B) by the top 10 first-author affiliated countries from 1993 to 2022 (x-axis). Analysis was based on 14,614 records (97%) (A) and analysis was based on 207,253 records (89%) (B)