1. Dept. of Construction Management, Univ. of Houston, 4734 Calhoun Rd. #111, Houston, TX 77204-4020.
2. Dept. of Civil and Environmental Engineering and Construction, Univ. of Nevada, Las Vegas, 4505 S. Maryland Pkwy., Las Vegas, NV 89154.
3. Dept. of Construction Management, Univ. of Houston, 4734 Calhoun Rd. #111B, Houston, TX 77204-4020.