About the Authors

Haiyan Yu

Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Software, Validation, Visualization, Writing – original draft, Writing – review & editing

Affiliation Center for Data and Decision Sciences, Chongqing University of Posts and Telecommunications, Chongqing, China

Ching-Chi Yang

Roles Conceptualization, Methodology, Writing – original draft, Writing – review & editing

cyang3@memphis.edu

Affiliation Department of Mathematical Sciences, University of Memphis, Memphis, TN, United States of America

Ping Yu

Roles Conceptualization, Writing – original draft, Writing – review & editing

Affiliation School of Computing & Information Technology, University of Wollongong, Wollongong, NSW, Australia

Ke Liu

Roles Data curation, Formal analysis, Methodology

Affiliation Center for Data and Decision Sciences, Chongqing University of Posts and Telecommunications, Chongqing, China

Competing Interests

The authors have declared that no competing interests exist.