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Additional Information

Competing Interests

Qianwen OuYang is an employee of Suzhou Longfor Properties Company Limited.

Author Contributions

Yongmei Zhai conceived and designed the experiments, reviewed drafts of the paper.

Shenglong Chen wrote the paper, prepared figures and/or tables, reviewed drafts of the paper.

Qianwen OuYang performed the experiments, analyzed the data, contributed reagents/materials/analysis tools, performed the computation work.

Data Deposition

The following information was supplied regarding data availability:


The study was supported by the National Natural Science Foundation of China (No.51178351) and the National Key Research and Development Program of China (No.2016YFC0800209). The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.

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