1. Assistant Professor, Dept. of Architectural Engineering, United Arab Emirates Univ., P.O. Box 15551, Al Ain, United Arab Emirates (corresponding author).
2. Nicholas R. Petry Professor of Construction Engineering and Management, Dept. of Civil, Environmental, and Architectural Engineering, Univ. of Colorado Boulder, 1111 Engineering Dr., UCB 428, Boulder, CO 80309-0428.
3. Associate Professor, Terrell-McDowell Endowed Chair of Construction Engineering and Project Management, Dept. of Civil Engineering, Univ. of Kentucky, 151A Raymond Building, Lexington, KY 40506.