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. 2019 Oct 29;16:124. doi: 10.1186/s12985-019-1231-8

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© The Author(s). 2019

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided 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 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.

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Fig. 5 — The PPINs of (a) mediumpurple2 (b) skyblue, and (c) yellow modules. The node size and color represent the degree level so that the higher degree is specified by the red color and bigger size