1. Professor, Civil, Environmental, and Infrastructure Engineering Dept., Information Technology and Engineering School, George Mason Univ., Fairfax, VA 22030. E-mail: tarcisze@gmu.edu
2. Professor, Structural Engineering Institute, Ecole Polytecnique Federale de Lausanne (EPFL), Station 18, 1015 Lausanne, Switzerland. E-mail: Ian.Smith@epfl.ch
3. Martin K. Eby Professor in Engineering, Dept. of Civil Engineering, Kansas State Univ., Manhattan, KS 66506. E-mail: melhem@ksu.edu