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. 2021 Apr 28;11:9190. doi: 10.1038/s41598-021-88692-9

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© The Author(s) 2021

Open AccessThis 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/.

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Degree distributions of nodes sampled with the SP and JN strategies (top row), and the degree distributions of the selected nodes normalized by the original network distribution (bottom row). The JN strategy shows a preference for selecting higher-degree nodes, and has a distribution skewed more towards higher-degree nodes than the distributions obtained with the FN strategy.