1. Department of Civil Engineering, Middle East Technical University, Universiteler Mahallesi, Dumlupinar Bulvari No:1, Cankaya, Ankara 06800, Turkey
2. School of Construction Management and Engineering, University of Reading, Whiteknights Campus RG6 6BU Berkshire, Reading, UK
3. Department of Civil Engineering, Bogazici University, Bebek, Istanbul 34342, Turkey