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Multiscale vascular system. Adapted with permission from Wikimedia Commons, (public domain, https://commons.wikimedia.org/wiki/File:DNA_simple2.svg, https://commons.wikimedia.org/wiki/File:Circulatory_System_no_tags.svg), Blausen.com staff (2014) (https://creativecommons.org/licenses/by/3.0/), and from Blanco et al. (2017) (http://creativecommons.org/licenses/by-nc/4.0/).
