1. Assistant Professor, Dept. of Industrial and Management Systems Engineering, Kuwait Univ., P.O. Box 5969, Safat 13060, Kuwait (corresponding author).
2. CFPIM, PEM, Dean Graduate School and International Education, 21st Century Professorship in Engineering, Univ. of Arkansas, Ozark Hall 213, Fayetteville, AR 72701.
3. Assistant Professor, Dept. of Civil, Construction, and Environmental Engineering, San Diego State Univ., 5500 Campanile Dr., San Diego, CA 92182-1324.
4. Professor and Chair, AGC-Paul S. Roel Chair in Construction Engineering and Management, Dept. of Civil, Construction, and Environmental Engineering, San Diego State Univ., 5500 Campanile Dr., San Diego, CA 92182-1324.