About the Authors

Rodrigo S. Lacruz

rodrigo@usc.edu

Affiliation Center for Craniofacial Molecular Biology, Ostrow School of Dentistry, and Department of Anthropology, University of Southern California, Los Angeles, California, United States of America

José María Bermúdez de Castro

Affiliation Centro Nacional de Investigación sobre la Evolución Humana, Burgos, Spain

María Martinón-Torres

Affiliation Centro Nacional de Investigación sobre la Evolución Humana, Burgos, Spain

Paul O’Higgins

Affiliation Centre for Anatomical and Human Sciences, Hull York Medical School, University of York, York, United Kingdom

Michael L. Paine

Affiliation Center for Craniofacial Molecular Biology, Ostrow School of Dentistry, and Department of Anthropology, University of Southern California, Los Angeles, California, United States of America

Eudald Carbonell

Affiliation Institut Català de Paleoecologia Humana i Evolució Social, Tarragona, Spain

Juan Luis Arsuaga

Affiliation Universidad Complutense de Madrid-Instituto Carlos III (UCM-ISCIII), Centro de Investigación de la Evolución y Comportamiento Humanos, Madrid, Spain

Timothy G. Bromage

Affiliation Departments of Biomaterials and Biomimetics and Basic Science and Craniofacial Biology, New York University College of Dentistry, New York, New York, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: RSL TGB JMB. Performed the experiments: RSL TGB JMB. Analyzed the data: RSL TGB PO JMB MMT. Contributed reagents/materials/analysis tools: RSL TGB JMB PO MP JLA EC MMT. Wrote the paper: RSL TGB PO JMB MMT. Obtained permission to study the material: RSL.