1. College of Safety and Environmental Engineering, Shandong University of Science and Technology, Qingdao, Shandong, China
2. by Shandong Province and the Ministry of Science and Technology, Shandong University of Science and Technology State Key Laboratory of Mining Disaster Prevention and Control Co-founded, Qingdao, Shandong, China
3. State Key Laboratory of Coal Mine Safety Technology, China Coal Technology & Engineering Group Corp Shenyang Research Institute, Fushun, Liaoning, China