1. Postdoctoral Researcher, School of Civil Engineering, Dept. of Geotechnical Engineering, National Technical Univ. of Athens, Zografou 15780, Greece. ORCID: .
2. Assistant Professor, School of Civil Engineering, Dept. of Geotechnical Engineering, National Technical Univ. of Athens, Zografou 15780, Greece (corresponding author). ORCID: .
3. Distinguished Professor, Dept. of Civil and Environmental Engineering, Univ. of California, Davis, CA 95616; Emeritus Professor, School of Applied Mathematical and Physical Sciences, Dept. of Mechanics, I. Vardoulakis Laboratory of Geomaterials, National Technical Univ. of Athens, Zografou 15780, Greece; Senior Research Scientist, Czech Academy of Sciences, Institute of Thermomechanics, Dolejskova 5, 182 00 Praha 8, Czech Republic.