1. Former Graduate Student, Engineering Management Program, Maroun Semaan Faculty of Engineering and Architecture, American Univ. of Beirut, Bechtel Engineering Bldg., Beirut 1107 2020, Lebanon.
2. Professor, Construction Engineering and Management, Dept. of Civil and Environmental Engineering, Maroun Semaan Faculty of Engineering and Architecture, American Univ. of Beirut, Bechtel Engineering Bldg., Beirut 1107 2020, Lebanon (corresponding author).