About the Authors

Wei Chen

Affiliations College of Automation, Northwestern Polytechnical University, Xi'an, Shaanxi, China, Department of Biostatistics, School of Public Health, Yale University, New Haven, Connecticut, United States of America

Clarence K. Zhang

Affiliation Keck Biotechnology Laboratory, Biostatistics Resource, School of Medicine, Yale University, New Haven, Connecticut, United States of America

Yongmei Cheng

Affiliation College of Automation, Northwestern Polytechnical University, Xi'an, Shaanxi, China

Shaowu Zhang

Affiliation College of Automation, Northwestern Polytechnical University, Xi'an, Shaanxi, China

Hongyu Zhao

hongyu.zhao@yale.edu

Affiliations Department of Biostatistics, School of Public Health, Yale University, New Haven, Connecticut, United States of America, Keck Biotechnology Laboratory, Biostatistics Resource, School of Medicine, 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: WC HYZ. Performed the experiments: WC CKZ YMC. Analyzed the data: WC HYZ SWZ. Contributed reagents/materials/analysis tools: WC SWZ YMC CKZ. Wrote the paper: WC. Revised the manuscript critically: WC HYZ CKZ SWZ.