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. 2019 Jun 10;4(9):1508–1515. doi: 10.1038/s41564-019-0476-8

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© The Author(s), under exclusive licence to Springer Nature Limited 2019

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Fig. 1 — a–c, Maps displaying global probability data (a) as well as data for North America and parts of Central America and the Caribbean (b) and North Africa, the Middle East and Europe (c). Values range from 0 (grey, unsuitable environment) to 1 (red, suitable environment).