1. Dept. of Civil and Environmental Engineering, Florida State Univ., 2525 Pottsdamer St., Tallahassee, FL 32310 (corresponding author).
2. Professor, Dept. of Civil and Environmental Engineering, Florida State Univ., 2525 Pottsdamer St., Tallahassee, FL 32310.
3. Professor, Dept. of Statistics, Florida State Univ., 214 Rogers Bldg. (OSB), 117 N. Woodward Ave., Tallahassee, FL 32306.