1. Assistant Professor, Dept. of Civil, Environmental, and Architectural Engineering, Univ. of Kansas, 1530 W. 15th St., 2150 Learned Hall, Lawrence, KS 66045 (corresponding author).
2. Research Associate, Dept. of Civil, Environmental, and Architectural Engineering, Univ. of Kansas, 1530 W. 15th St., 2150 Learned Hall, Lawrence, KS 66045.
3. Rinker Professor of Construction, Rinker School of Construction Management, Univ. of Florida, 304 Rinker Hall, Gainesville, FL 32611.