About the Authors
- Kuangnan Fang
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Affiliation Department of Statistics, School of Economics, Xiamen University, Xiamen, China
- BenChang Shia
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Affiliations Department of Statistics, School of Economics, Xiamen University, Xiamen, China, Department of Statistics and Information Science, FuJen Catholic University, New Taipei City, Republic of China
- Shuangge Ma
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* E-mail: shuangge.ma@yale.edu
Affiliations Department of Statistics, School of Economics, Xiamen University, Xiamen, China, School of Public Health, Yale University, New Haven, Connecticut, United States of America
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: KF BS SM. Performed the experiments: KF BS SM. Analyzed the data: KF SM. Contributed reagents/materials/analysis tools: KF. Wrote the paper: KF SM.