1. Project Manager, Basler and Hofmann, Consulting Engineers, Forchstrasse 395, CH-8032 Zurich, Switzerland. E-mail: daniel.dietsche@bhz.ch
2. Associate Professor, Univ. of Central Florida, 4000 Central Florida Blvd., P.O. Box 162450, Orlando, FL 32816-2450. E-mail: shagen@mail.ucf.edu
3. MS Student, Univ. of Central Florida, 4000 Central Florida Blvd., P.O. Box 162450, Orlando, FL 32816-2450. E-mail: busy_child29@hotmail.com