[1] Univ Copenhagen, Dept Biol, Ctr Ancient Genet, DK-2100 Copenhagen, Denmark
[2] Univ Cambridge, Leverhulme Ctr Human Evolutionary Studies, Cambridge CB2 1QH, England
[3] Natl Museum Denmark, SILA Greenland Res Ctr, DK-1220 Copenhagen, Denmark
[4] Univ Aarhus, Fac Agr Sci, Dept Genet & Biotechnol, DK-8830 Tjele, Denmark
[5] Univ Tartu, Dept Evolut Biol, EE-51010 Tartu, Estonia
[6] Estonian Bioctr, EE-51010 Tartu, Estonia
[7] Uppsala Univ, Dept Evolut Biol, S-74236 Uppsala, Sweden
[8] Univ Oxford, Archaeol & Hist Art Res Lab, Oxford OX1 3QY, England
[9] Univ Oxford, Dept Earth Sci, Oxford OX1 3PR, England
[10] Statens Serum Inst, Dept Epidemiol Res, DK-2300 Copenhagen, Denmark
[11] Univ Copenhagen, Danish Ctr Expt Parasitol, Dept Vet Pathobiol, Fac Life Sci, DK-1870 Frederiksberg C, Denmark
[12] Greenland Natl Museum & Archives, Nuuk 3900, Greenland
[13] Geologisk Museum, Natl Hist Museum Denmark, DK-1350 Copenhagen, Denmark