About the Authors

Agnar Helgason

agnar@decode.is

Affiliations deCODE Genetics, Reykjavik, Iceland, Department of Anthropology, University of Iceland, Reykjavik, Iceland

Carles Lalueza-Fox

Affiliation Institute of Evolutionary Biology (UPF-CSIC), Barcelona, Spain

Shyamali Ghosh

Affiliation deCODE Genetics, Reykjavik, Iceland

Sigrún Sigurðardóttir

Affiliation deCODE Genetics, Reykjavik, Iceland

Maria Lourdes Sampietro

Affiliations Institute of Evolutionary Biology (UPF-CSIC), Barcelona, Spain, Department of Human Genetics, Leiden University Medical Centre, Leiden, The Netherlands

Elena Gigli

Affiliation Institute of Evolutionary Biology (UPF-CSIC), Barcelona, Spain

Adam Baker

Affiliation deCODE Genetics, Reykjavik, Iceland

Jaume Bertranpetit

Affiliation Institute of Evolutionary Biology (UPF-CSIC), Barcelona, Spain

Lilja Árnadóttir

Affiliation National Museum of Iceland, Reykjavik, Iceland

Unnur Þorsteinsdottir

Affiliations deCODE Genetics, Reykjavik, Iceland, Faculty of Medicine, University of Iceland, Reykjavik, Iceland

Kári Stefánsson

Affiliations deCODE Genetics, Reykjavik, Iceland, Faculty of Medicine, University of Iceland, Reykjavik, Iceland

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AH CLF KS. Performed the experiments: AH CLF SG SS MLS EG. Analyzed the data: AH. Contributed reagents/materials/analysis tools: AH CLF AB JB LA UÞ KS. Wrote the paper: AH KS.