1. Engineering Research Center of Coal Mine Disaster Prevention and Emergency Rescue, Ministry of Education, Henan Polytechnic University, Jiao Zuo, China
2. Department of Energy and Mineral Engineering, The Pennsylvania State University, University Park, Pennsylvania , USA
3. Collaborative Innovation Center of Coal Work Safety and Clean High Efficiency Utilization, Jiaozuo, Henan, PR China
4. Safety Technology Training Center, Henan Polytechnic University, Jiao Zuo, China