Elpida Kolokytha, Associate Professor, PhD, Division of Hydraulics and Environmental Engineering, Aristotle University of Thessaloniki, Thessaloniki 54124, GreeceSatoru Oishi, Professor, PhD, Research Center for Urban Safety and Security, Kobe University, 1-1, Rokko-dai, Nada-ku, Kobe 657-8501, JapanRamesh Teegavarapu, Associate Professor, PhD, Department of Civil, Environmental and Geomatics Engineering, Florida Atlantic University, 777 Glades Road, EW217, Boca Raton, Florida 33431, USA