About the Authors

Bo Zhang

Roles Conceptualization, Formal analysis, Investigation, Writing – original draft, Writing – review & editing

Affiliations Center for Human Geography and Urban Development, School of Geography and Remote Sensing, Guangzhou University, Guangzhou, China, Guangdong Provincial Center for Urban and Migration Studies, Guangzhou, China

Shixiong He

Roles Data curation, Methodology, Software, Visualization

Affiliation Institute of Economics, Shanghai Academy of Social Sciences, Shanghai, China

Lei Jiang

Roles Conceptualization, Formal analysis, Project administration, Supervision, Validation, Writing – original draft, Writing – review & editing

lei.jiang.rug@hotmail.com

Affiliations Center for Human Geography and Urban Development, School of Geography and Remote Sensing, Guangzhou University, Guangzhou, China, Guangdong Provincial Center for Urban and Migration Studies, Guangzhou, China

Competing Interests

The authors have declared that no competing interests exist.