About the Authors

Dan Li

Contributed equally to this work with: Dan Li, Xiaocong Yang

Roles Conceptualization, Formal analysis, Funding acquisition, Writing – original draft

Affiliation School of Management, Institute for Population and Social Policy Studies, Xi’an Polytechnic University, Xi’an, China

Xiaocong Yang

Contributed equally to this work with: Dan Li, Xiaocong Yang

Roles Conceptualization, Funding acquisition, Methodology, Software, Validation, Visualization, Writing – original draft

xxy980bham@gmail.com

Affiliations School of Public Administration, Guangzhou University, Guangzhou, Guangdong, China, Nossal Institute for Global Health, School of Population and Global Health, Melbourne, Victoria, Australia

Guanyang Zou

Roles Funding acquisition, Writing – review & editing

Affiliation School of Public Health and Management, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China

Competing Interests

The authors have declared that no competing interests exist.