1. Research Assistant Professor, College of Computing, Engineering, and Construction, Univ. of North Florida, 1 UNF Dr., Jacksonville, FL 32224.
2. Professor, Dept. of Civil and Coastal Engineering, Univ. of Florida, P.O. Box 116580, Gainesville, FL 32611.
3. Professor, School of Civil and Architectural Engineering, Royal Institute of Technology, SE-100 44, Stockholm, Sweden.
4. Graduate Research Assistant, Dept. of Civil and Coastal Engineering, Univ. of Florida, P.O. Box 116580, Gainesville, FL 32611.