1. Assistant Professor, Dept. of Civil, Environmental, and Architectural Engineering, Univ. of Colorado at Boulder, 428 UCB, 1111 Engineering Dr., Boulder, CO 80309-0428 (corresponding author).
2. Emeritus Professor, Rinker School of Building Construction, Univ. of Florida, Box 115703, Gainesville, FL 32611-5703.
3. Former Graduate Student, Dept. of Civil, Environmental, and Architectural Engineering, Univ. of Colorado at Boulder, 428 UCB, 1111 Engineering Dr., Boulder, CO 80309-0428.
4. Graduate Student, Rinker School of Building Construction, Univ. of Florida, Box 115701; Gainesville, FL 32611-5703.