1. Professor, Dept. of Civil and Environmental Engineering and Earth Sciences, Univ. of Notre Dame, 156 Fitzpatrick Hall, Notre Dame, IN 46556 (corresponding author).
2. Wilkinson Chair Professor in Engineering, Dept. of Civil, Construction and Environmental Engineering, Iowa State Univ., Ames, IA 50011.
3. Professor, Dept. of Civil Engineering and Engineering Mechanics, Univ. of Arizona, Tucson, AZ 85721.
4. Professor, Dept. of Structural Engineering, Univ. of California at San Diego, La Jolla, CA 92093.
5. Senior Lecturer, Dept. of Civil and Environmental Engineering, Univ. of Auckland, Auckland 1010, New Zealand.
6. President, Blue Ridge Design, Inc., 3 W. Piccadilly St., Winchester, VA 22601.
7. President, S. K. Ghosh Associates, Inc., 334 East Colfax St., Unit E, Palatine, IL 60067.
8. Professor, Dept. of Civil Engineering, Universidad Técnica Federico,Santa María, Valparaiso, Chile.