1. Department of Materials Engineering Division Surface and Interface Engineering Materials, KU Leuven, Campus Bruges Bruges Belgium
2. State Key Laboratory for Geomechanics and Deep Underground Engineering China University of Mining and Technology Xuzhou China
3. Department of Mechanical Engineering Division Applied Mechanics and Energy Conversion, KU Leuven, Campus Bruges Bruges Belgium
4. Department of Civil Engineering Hydraulics and Geotechnics Section, KU Leuven, Campus Bruges Bruges Belgium