About the Authors

Anna Ziomkiewicz

Contributed equally to this work with: Anna Ziomkiewicz, Grazyna Jasienska, Richard G. Bribiescas

aziomkiewicz-wichary@antropologia.pan.pl

Affiliations Anthropology Unit in Wroclaw, Polish Academy of Sciences, Wroclaw, Poland, Department of Anthropology, Yale University, New Haven, Connecticut, United States of America

Amelia Sancilio

‡ These authors also contributed equally to this work.

Affiliation Department of Anthropology, Yale University, New Haven, Connecticut, United States of America

Andrzej Galbarczyk

‡ These authors also contributed equally to this work.

Affiliation Department of Environmental Health, Faculty of Health Sciences, Jagiellonian University Medical College, Krakow, Poland

Magdalena Klimek

‡ These authors also contributed equally to this work.

Affiliation Department of Environmental Health, Faculty of Health Sciences, Jagiellonian University Medical College, Krakow, Poland

Grazyna Jasienska

Contributed equally to this work with: Anna Ziomkiewicz, Grazyna Jasienska, Richard G. Bribiescas

Affiliations Department of Anthropology, Yale University, New Haven, Connecticut, United States of America, Department of Environmental Health, Faculty of Health Sciences, Jagiellonian University Medical College, Krakow, Poland

Richard G. Bribiescas

Contributed equally to this work with: Anna Ziomkiewicz, Grazyna Jasienska, Richard G. Bribiescas

Affiliation Department of Anthropology, Yale University, New Haven, Connecticut, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AZ GJ RGB. Performed the experiments: AZ AG MK. Analyzed the data: AZ AS. Contributed reagents/materials/analysis tools: AS RGB MK AG. Wrote the paper: AZ AS AG MK RGB.