1. Postdoctoral Research Associate, Durham School of Architectural Engineering and Construction, Univ. of Nebraska-Lincoln, 133 Nebraska Hall, 900 N 16th St., Lincoln, NE 68588 (corresponding author).
2. Assistant Professor, Dept. of Civil Engineering, Univ. of Texas at Arlington, 425 Nedderman Hall, 416 Yates St., Box 19308, Arlington, TX 76019.
3. Associate Professor, Dept. of Civil, Construction, and Environmental Engineering, Iowa State Univ., 498 Town Engineering, Ames, IA 50011.
4. Professor, Dept. of Civil Engineering, Zachry Chair in Construction Integration, Texas A&M Univ., 3136 TAMU College Station, TX 77843-3136.
5. Ph.D. Candidate, Dept. of Statistics, Iowa State Univ., 1121 Snedecor Hall, Ames, IA 50011.