1. Postdoc, Dept. of Civil, Architectural, and Environmental Engineering, Univ. of Miami, 105 McArthur Engineering Bldg., Coral Gables, FL 33146-0630 (corresponding author).
2. Postdoc, Dept. of Structural Engineering, Univ. of Naples, Federico II, Via Claudio 21, Naples, P.O. Box I-80125, Italy.
3. Assistant Professor, Dept. of Civil and Environmental Engineering, Univ. of South Carolina, 300 Main St., Room C210, Columbia, SC 29208.
4. Lester and Gwen Fisher Endowed Scholar, Professor and Chair of Dept. of Civil, Architectural, and Environmental Engineering, Univ. of Miami, 323 McArthur Engineering Bldg., Coral Gables, FL 33146-0630.and Professor, Dept. of Structural Engineering, Univ. of Naples, Federico II, Via Claudio 21, Naples, P.O. Box I-80125, Italy.
5. Assistant Professor, Dept. of Structural Engineering, Univ. of Naples, Federico II, Via Claudio 21, Naples, P.O. Box I-80125, Italy.