1. Professor, School of Resources and Safety Engineering, Safety and Security Theory Innovation and Promotion Center, Central South Univ., Changsha, Hunan 410083, PR China (corresponding author). ORCID: .
2. School of Public Administration, Central South Univ., Changsha 410083, PR China; Center for Social Stability Risk Assessment, Central South Univ., Changsha, Hunan 410075, PR China. ORCID: .
3. Professor, School of Resources and Safety Engineering, Central South Univ., Changsha, Hunan 410083, PR China.