1. Assistant Professor, Dept. of Architectural Engineering, Pennsylvania State Univ., University Park, PA 16802.
2. CETF Distinguished Associate Professor, Dept. of Construction Management, Louisiana State Univ., 3128 PFT Hall, Baton Rouge, LA 70803 (corresponding author).
3. Visiting Assistant Professor, Dept. of Mechanical Engineering, Texas A&M Univ., College Station, TX 77843.
4. Department Chair and Professor, Dept. of Construction Management, Louisiana State Univ., 3128 PFT Hall, Baton Rouge, LA 70803.