1. School of Emergency Management and Safety Engineering, China University of Mining and Technology-Beijing, Beijing 100083, China
2. Department of Engineering Physics, Institute of Public Safety Research, Tsinghua University, Beijing 100084, China
3. School of Public Order, People’s Public Security University of China, Beijing 100038, China
4. School of Modern Post, Beijing University of Posts and Telecommunications, Beijing 100876, China
5. School of National Safety and Emergency Management, Beijing Normal University at Zhuhai, Zhuhai 519087, China