About the Authors

Nuno M. Silva

Affiliation IPATIMUP (Instituto de Patologia e Imunologia Molecular da Universidade do Porto), Universidade do Porto, Porto, Portugal

Luísa Pereira

Affiliations IPATIMUP (Instituto de Patologia e Imunologia Molecular da Universidade do Porto), Universidade do Porto, Porto, Portugal, Faculdade de Medicina, Universidade do Porto, Porto, Portugal

Estella S. Poloni

Affiliation Laboratory of Anthropology, Genetics and Peopling History, Department of Genetics and Evolution - Anthropology Unit, University of Geneva, Geneva, Switzerland

Mathias Currat

mathias.currat@unige.ch

Affiliation Laboratory of Anthropology, Genetics and Peopling History, Department of Genetics and Evolution - Anthropology Unit, University of Geneva, Geneva, Switzerland

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: LP ESP MC. Analyzed the data: NMS ESP MC. Wrote the paper: NMS LP ESP MC. Compiled the databases: NMS LP.