About the Authors

Zhenwei Qiu

Affiliations Key Laboratory of Vertebrate Evolution and Human Origins of Chinese Academy of Sciences, Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences, Beijing, China, Department of Scientific History and Archaeometry, University of Chinese Academy of Sciences, Beijing, China

Hongen Jiang

Affiliations Key Laboratory of Vertebrate Evolution and Human Origins of Chinese Academy of Sciences, Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences, Beijing, China, Department of Scientific History and Archaeometry, University of Chinese Academy of Sciences, Beijing, China

Jinlong Ding

Affiliation Suzhou Institute of Archaeology, Suzhou, China

Yaowu Hu

Affiliations Key Laboratory of Vertebrate Evolution and Human Origins of Chinese Academy of Sciences, Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences, Beijing, China, Department of Scientific History and Archaeometry, University of Chinese Academy of Sciences, Beijing, China

Xue Shang

Shangxue@ucas.ac.cn

Affiliations Key Laboratory of Vertebrate Evolution and Human Origins of Chinese Academy of Sciences, Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences, Beijing, China, Department of Scientific History and Archaeometry, University of Chinese Academy of Sciences, Beijing, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: ZQ HJ XS. Performed the experiments: ZQ. Analyzed the data: ZQ HJ YH XS. Contributed reagents/materials/analysis tools: ZQ HJ JD YH XS. Wrote the paper: ZQ HJ YH XS.