1. School of Emergency Management and Safety Engineering, China University of Mining & Technology, Beijing, PR China
2. WA School of Mines: Minerals, Energy and Chemical Engineering, Curtin University, Bentley, Perth, Western Australia, Australia
3. School of Emergency Management, Henan Polytechnic University, Jiaozuo, PR China
4. College of Safety and Environmental Engineering, Shandong University of Science and Technology, Qingdao, PR China
5. School of Management Science and Engineering, Shandong Technology and Business University, Yantai, PR China