1. Formerly, Doctoral Student, Construction Engineering and Management Program, Dept. of Civil and Environmental Engineering, Catholic Univ. of America, G-17 Pangborn Hall, 620 Michigan Ave. NE, Washington, DC 20064.
2. Professor and Director, Construction Engineering and Management Program, Dept. of Civil and Environmental Engineering, Catholic Univ. of America, G-17 Pangborn Hall, 620 Michigan Ave. NE, Washington, DC 20064. ORCID: .
3. Associate Professor, Dept. of Construction and Building Engineering, College of Engineering and Technology, Arab Academy for Science, Technology, and Maritime Transport, Cairo 11799, Egypt (corresponding author). ORCID: .