About the Authors
- Zihui Zhang
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Affiliation College of Life Sciences, Capital Normal University, Beijing, China
- Alan Feduccia
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* E-mail: feduccia@bio.unc.edu
Affiliation Department of Biology, University of North Carolina, Chapel Hill, North Carolina, United States of America
- Helen F. James
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Affiliation Department of Vertebrate Zoology, MRC-116, National Museum of Natural History, Smithsonian Institution, Washington, D.C., United States of America
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: ZZ AJF. Performed the experiments: ZZ AJF. Analyzed the data: ZZ AJF HFJ. Contributed reagents/materials/analysis tools: ZZ AJF HFJ. Wrote the paper: ZZ AJF HFJ.