1. Key Laboratory of Coal Processing and Efficient Utilization of Ministry of Education, School of Chemical Engineering and Technology China University of Mining and Technology Xuzhou China
2. Department of Civil and Architectural Engineering University of Wyoming Laramie Wyoming USA
3. Center for Biogenic Natural Gas Research University of Wyoming Laramie Wyoming USA
4. Institute of Energy & Environmental Engineering University of the Punjab Lahore Pakistan
5. School of Biotechnology and Food Technology Hanoi University of Science and Technology Hanoi Vietnam
6. NUS Environmental Research Institute, National University of Singapore Singapore Singapore
7. General Department of Geology and Minerals of Viet Nam (GDGMV) Hanoi Vietnam
8. Department of Microbiology Quaid‐i‐Azam University Islamabad Pakistan
9. College of Safety and Emergency Management and Engineering Taiyuan University of Technology Taiyuan China