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. 2020 Oct 9;3(1):38. doi: 10.5334/joc.126

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Copyright: © 2020 The Author(s)

This is an open-access article distributed under the terms of the Creative Commons Attribution 4.0 International License (CC-BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. See http://creativecommons.org/licenses/by/4.0/.

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Panel A: Funnel plot of the effect sizes meta-analyzed by Brown et al. (2019) and Giboin and Wolff (2019). Panel B: Distribution of effect sizes in the same two meta-analyses across time.