1. Postdoctoral Researcher, Institute of Structural Analysis and Aseismic Research, National Technical Univ. of Athens, Zografou Campus, 15780, Iroon Polytexneiou 9, Athens, Greece.
2. Professor, Institute of Structural Analysis and Aseismic Research, National Technical Univ. of Athens, Zografou Campus, 15780, Iroon Polytexneiou 9, Athens, Greece.