1. Ph.D. Student, Dept. of Civil and Environmental Engineering, Univ. of Cyprus, P.O. Box 20537, Nicosia 1678, Cyprus; Academic Director,Institute of Professional Studies, Univ. of Central Lancashire, 12–14 Univ. Ave., Pyla, Larnaka 7080, Cyprus.
2. Professor, Dept. of Civil and Environmental Engineering, Univ. of Cyprus, P.O. Box 20537, Nicosia 1678, Cyprus (corresponding author).