1. Assistant Professor, School of Mining and Metallurgical Engineering, National Technical Univ. of Athens, Athens, Greece (corresponding author). ORCID: .
2. Chemical Process and Energy Resources Institute, Centre for Research and Technology Hellas, Athens, Greece. ORCID:
3. Chemical Process and Energy Resources Institute, Centre for Research and Technology Hellas, Athens, Greece.
4. Director of Research, Chemical Process and Energy Resources Institute, Centre for Research and Technology Hellas, Athens, Greece.
5. Head of Department, Mine Planning Section, Public Power Corporation, Athens, Greece. ORCID:
6. Associate Professor, Nottingham Centre for Geomechanics, Univ. of Nottingham, University Park, Nottinghamshire NG7 2RD, UK. ORCID: