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. 2020 Mar 16;15(3):e0229464. doi: 10.1371/journal.pone.0229464

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© 2020 Paik et al

This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Fig 2 — Sources: Boundary of countries: https://www.naturalearthdata.com/downloads/50m-cultural-vectors/50m-admin-0-countries-2. Boundary of provinces: https://www.naturalearthdata.com/downloads/10m-cultural-vectors/10m-admin-1-states-provinces. Ocean: https://www.naturalearthdata.com/downloads/10m-physical-vectors/10m-ocean. (January 21, 2020). Village-level adoption rates of CURE-related varieties are calculated by authors from household survey data.