1. School of Economics and Management Beihang University Haidian District No.37 Xueyuan Road Beijing 100191 China
2. Beijing Key Laboratory of Emergency Support Simulation Technologies for City Operations Beihang University Beijing 100191 China
3. School of Investment and Construction Management Dongbei University of Finance and Economics No.217 Jianshan Street, Shahekou District Dalian 116025 China
4. School of Narcotics Control and Public Order Studies Criminal Investigation Police University of China Huanggu District No. 83 Tawan Street Shenyang 110854 China