About the Authors

Sabine Eggers

Affiliation Laboratório de Antropologia Biológica, Departamento de Genética e Biologia Evolutiva, Universidade de São Paulo, Instituto de Biociências da USP, São Paulo, SP, Brazil

Maria Parks

Affiliation Anthropology Department, Texas A&M University, College Station, Texas, United States of America

Gisela Grupe

Affiliation Ludwig-Maximilians-University Munich, Graduate School Life Science Munich, Planegg-Martinsried, Germany

Karl J. Reinhard

kreinhard1@mac.com

Affiliation School of Natural Resources, University of Nebraska – Lincoln, Lincoln, Nebraska, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: KJR GG MP SE. Performed the experiments: MP. Analyzed the data: GG MP KJR. Contributed reagents/materials/analysis tools: KJR. Wrote the paper: KJR GG MP SE. Secured funding: KJR.