1. Department of Oil and Gas Technologies, Perm National Research Polytechnic University, Perm, Russia.
2. Institute of Applied Mathematics, Far Eastern Branch of the Russian Academy of Sciences, Vladivostok, Russia.
3. Civil and Transportation School, Beijing University of Civil Engineering and Architecture, Beijing, China.
4. State Key Laboratory for Geomechanics and Deep Underground Engineering, China University of Mining and Technology, Xuzhou, China.