1. Ph.D. Student, Durham School of Architectural Engineering and Construction, Univ. of Nebraska-Lincoln, The Peter Kiewit Institute 117A, 1110 S 67th St., Omaha, NE 68182-0816.
2. Assistant Professor, Durham School of Architectural Engineering and Construction, Univ. of Nebraska-Lincoln, The Peter Kiewit Institute 105C, 1110 S 67th St., Omaha, NE 68182-0816.
3. Post-Doctoral, Durham School of Architectural Engineering and Construction, Univ. of Nebraska-Lincoln, The Peter Kiewit Institute 117A, 1110 S 67th St., Omaha, NE 68182-0816.