1. Analysis Technology Team/R&D Center, MIDAS Information Technology Co., Ltd., Seoul, South Korea; formerly, Postdoctoral Researcher, Dept. of Civil and Environmental Engineering, 205 N. Mathews Ave., MC-250, Univ. of Illinois at Urbana-Champaign, Urbana, IL 61801.
2. Graduate Research Assistant, Dept. of Civil and Environmental Engineering, Univ. of Illinois at Urbana-Champaign, 205 N. Mathews Ave., MC-250, Urbana, IL 61801.
3. Structural Engineer, Buckland and Taylor LTD Bridge Engineering, 101-788 Harbourside Dr., North Vancouver BC, Canada, V7P 3R7.
4. Associate Professor, Dept. of Civil and Environmental Engineering, Univ. of Illinois at Urbana-Champaign, 205 N. Mathews Ave., MC-250, Urbana, IL 61801 (corresponding author).