About the Authors

Xiao Zheng

Roles Data curation, Formal analysis, Software, Validation, Visualization, Writing – original draft

Affiliation School of Mathematics and Statistics, Wuhan University, Wuhan, Hubei, China

Yuan Huang

Roles Formal analysis, Methodology, Project administration, Validation, Writing – review & editing

Affiliation Department of Biostatistics, Yale University, New Haven, Connecticut, United States of America

Xiufen Zou

Roles Conceptualization, Funding acquisition, Investigation, Methodology, Project administration, Resources, Supervision, Validation, Writing – review & editing

xfzou@whu.edu.cn

Affiliation School of Mathematics and Statistics, Wuhan University, Wuhan, Hubei, China

Competing Interests

The authors have declared that no competing interests exist.