About the Authors
- Yazhi Liu
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Affiliation College of Information, North China University of Science and Technology, Tangshan 063009, China
- Xiong Li
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* E-mail: lixiongzhq@163.com
Affiliation School of Computer Science and Engineering, Hunan University of Science and Technology, Xiangtan 411201, China
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: YL XL. Performed the experiments: YL. Analyzed the data: YL XL. Contributed reagents/materials/analysis tools: YL XL. Wrote the paper: YL XL.