| Affiliation: | 1. School of Emergency Management and Safety Engineering, China University of Mining and Technology (Beijing), Beijing, 100083, China;2. Beijing Key Laboratory for Precise Mining of Intergrown Energy and Resources, China University of Mining and Technology (Beijing), Beijing, 100083, China;3. Hebei State Key Laboratory of Mine Disaster Prevention, North China Institute of Science and Technology, Beijing, 101601, China;4. School of Civil Aviation, Zhengzhou University of Aeronautics, Zhengzhou, 450015, China;5. Hefei Railway Maintenance Section, China Railway Shanghai Group Co., Ltd., Hefei, 230012, China;6. Department of Energy and Mineral Engineering, EMS Energy Institute and G3 Center, Pennsylvania State University, University Park, PA, USA;1. Department of Economics, University of Hawai‘i at Mānoa, 2424 Maile Way, Sanders Hall Room 542, Honolulu, HI 96822, USA;2. College of Social Sciences, University of Hawai‘i at Mānoa, 2500 Campus Road, Hawaii Hall 310, Honolulu, HI 96822, USA |
