About the Authors

Yousuke Kaifu

kaifu@kahaku.go.jp

Affiliations Department of Anthropology, National Museum of Nature and Science, Tokyo, Japan, Department of Biological Sciences, The University of Tokyo, Tokyo, Japan

Reiko T. Kono

Affiliation Department of Anthropology, National Museum of Nature and Science, Tokyo, Japan

Thomas Sutikna

Affiliations Centre for Archaeological Science, University of Wollongong, Wollongong, Australia, The National Research and Development Centre for Archaeology, Jakarta, Indonesia

Emanuel Wahyu Saptomo

Affiliations Centre for Archaeological Science, University of Wollongong, Wollongong, Australia, The National Research and Development Centre for Archaeology, Jakarta, Indonesia

Jatmiko

Affiliations Centre for Archaeological Science, University of Wollongong, Wollongong, Australia, The National Research and Development Centre for Archaeology, Jakarta, Indonesia

Rokus Due Awe

† Deceased.

Affiliations Centre for Archaeological Science, University of Wollongong, Wollongong, Australia, The National Research and Development Centre for Archaeology, Jakarta, Indonesia

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: YK. Performed the experiments: YK. Analyzed the data: YK. Contributed reagents/materials/analysis tools: YK RTK TS EWS J RDA. Wrote the paper: YK RTK TS EWS J RDA.