1. Professor, City Univ. London, EC1V 0HB London, U.K.; formerly, Professor, Dept. of Civil Engineering, Aristotle Univ. of Thessaloniki, 54124 Thessaloniki, Greece (corresponding author).
2. Civil Engineer, Regional Authority of Southern Aegean, Eleftherias Square, 85100 Rhodes, Greece; formerly, Ph.D. Student, Dept. of Civil Engineering, Aristotle Univ. of Thessaloniki, 54124 Thessaloniki, Greece.
3. Consulting Engineer, 16, Agias Lavras St., 60100 Katerini, Greece; formerly, Postdoctoral Researcher, Dept. of Civil Engineering, Aristotle Univ. of Thessaloniki, 54124 Thessaloniki, Greece.