1. Assistant Professor, Smart Structures Research Laboratory, Dept. of Civil, Structural and Environmental Engineering, State Univ. of New York–Buffalo, 212 Ketter Hall, North Campus, Buffalo, NY 14260 (corresponding author).
2. Assistant Professor, Dept. of Civil Engineering, Merrimack College, 315 Turnpike St., North Andover, MA 01845.
3. Professor, Dept. of Structural Engineering, Univ. of California, San Diego, 9500 Gilman Dr., Mail Code 0085, La Jolla, CA 92093-0085.