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Additional Information

Competing Interests

The authors declare that they have no competing interests.

Author Contributions

Zhan Zhang conceived and designed the experiments, performed the experiments, analyzed the data, contributed reagents/materials/analysis tools, wrote the paper, prepared figures and/or tables, reviewed drafts of the paper.

Yufei Y Song conceived and designed the experiments, performed the experiments.

Liqing Cui conceived and designed the experiments, performed the experiments.

Xiaoqian Liu conceived and designed the experiments, performed the experiments, reviewed drafts of the paper.

Tingshao Zhu conceived and designed the experiments.

Human Ethics

The following information was supplied relating to ethical approvals (i.e., approving body and any reference numbers):

Institute of Psychology, Chinese Academy of Sciences H15010

Data Deposition

The following information was supplied regarding data availability:

we will provide the data set.

Funding

The authors gratefully acknowledges the generous support from National High-tech R\&D Program of China (2013AA01A606), National Basic Research Program of China(2014CB744600), Key Research Program of Chinese Academy of Sciences(CAS)(KJZD-EWL04), and CAS Strategic Priority Research Program (XDA06030800). The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.


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