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. 2021 Mar 4;17(3):e1009347. doi: 10.1371/journal.pgen.1009347

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© 2021 Kerminen 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 1 — Map of Finland showing historically motivated regions that we use to track changes in genetic ancestry. Dotted lines show the regions ceded to the Soviet Union (Ceded Karelia (CKA), Petsamo, and Salla) after World War II. Today these three regions are part of Russia. Purple arrows show the main patterns how evacuees from CKA were relocated to other parts of Finland. Diamonds mark the four largest metropolitan areas in Finland: Helsinki, Turku, Tampere and Oulu. ÅLA: Åland islands, SOF: Southern Finland. SWF: Southwestern Finland, TAV: Tavastia, SKA: South Karelia, CKA Ceded Karelia, NKA: North Karelia, SSA: South Savo, NSA: North Savo, CNF: Central Finland, OST: Ostrobothnia, NOS: North Ostrobothnia, KAI: Kainuu, LAP: Lapland.