1. Adjunct Lecturer, School of Civil Engineering, National Technical Univ. of Athens, Athens 15780, Greece (corresponding author).
2. Postdoctoral Researcher, Dept. of Mechanical Engineering, Politecnico di Milano, Milan, Italy.
3. Professor, School of Civil Engineering, National Technical Univ. of Athens, Athens 15780, Greece.
4. Professor, Dept. of Mechanical Engineering, Politecnico di Milano, Milan, Italy.
5. Project Coordinator, D2S International, Brussels, Belgium.