About the Authors

Yongming Song

Roles Conceptualization, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Resources, Software, Visualization, Writing – original draft

xinshiji7819@163.com

Affiliation School of Management and Economics, University of Electronic Science and Technology of China, Chengdu, P. R. China

Jun Hu

Roles Data curation, Supervision, Validation, Writing – review & editing

Affiliation State-owned Assets Supervision and Administration Commission in Yunnan Province of China, Kunming, P. R. China

Competing Interests

The authors have declared that no competing interests exist.