About the Authors

Etty Indriati

Affiliation Laboratory of Bio and Paleoanthropology, Faculty of Medicine, Gadjah Mada University, Yogyakarta, Indonesia

Carl C. Swisher III

cswish@rci.rutgers.edu (CS); susan.anton@nyu.edu (SA)

Affiliation Department of Earth and Planetary Sciences, Rutgers University, Piscataway, New Jersey, United States of America

Christopher Lepre

Affiliations Department of Earth and Planetary Sciences, Rutgers University, Piscataway, New Jersey, United States of America, Lamont Doherty Earth Observatory Palisades, Columbia University, New York, New York, United States of America

Rhonda L. Quinn

Affiliations Department of Earth and Planetary Sciences, Rutgers University, Piscataway, New Jersey, United States of America, Department of Anthropology, Loyola University of Chicago, Chicago, Illinois, United States of America

Rusyad A. Suriyanto

Affiliation Laboratory of Bio and Paleoanthropology, Faculty of Medicine, Gadjah Mada University, Yogyakarta, Indonesia

Agus T. Hascaryo

Affiliation Laboratory of Bio and Paleoanthropology, Faculty of Medicine, Gadjah Mada University, Yogyakarta, Indonesia

Rainer Grün

Affiliation Research School of Earth Sciences, The Australian National University, Canberra, Australia

Craig S. Feibel

Affiliation Department of Earth and Planetary Sciences, Rutgers University, Piscataway, New Jersey, United States of America

Briana L. Pobiner

Affiliation Human Origins Program, National Museum of Natural History, Smithsonian Institution, Washington, D. C., United States of America

Maxime Aubert

Affiliation Research School of Earth Sciences, The Australian National University, Canberra, Australia

Wendy Lees

Affiliation Research School of Earth Sciences, The Australian National University, Canberra, Australia

Susan C. Antón

cswish@rci.rutgers.edu (CS); susan.anton@nyu.edu (SA)

Affiliation Center for the Study of Human Origins, Department of Anthropology, New York University, 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: SCA EI. Performed the experiments: EI SCA CCS CL RLQ RAS ATH CSF BLP RG MA WL. Analyzed the data: CCS RG BLP SCA RLQ CL. Wrote the paper: SCA CCS EI RG RLQ CL BLP CSF.