1. Faculty of Engineering, Vrije Universiteit Brussel, Brussels, Belgium
2. Laboratory of Geotechnics, Ghent University, Ghent, Belgium
3. Institut of Mechanics, Material and Civil Engineering, Université Catholique de Louvain, Louvain-la-Neuve, Belgium
4. Building, Architecture and Town Planning Department (BATir), Université Libre de Bruxelles, Brussels, Belgium