1. Assistant Professor, College of Engineering, Univ. of North Texas, Denton, TX 76207 (corresponding author).
2. Associate Professor, State Key Laboratory of Disaster Reduction in Civil Engineering and College of Civil Engineering, Tongji Univ., Shanghai 200092, China.
3. Research Assistant, College of Civil Engineering, Tongji Univ., Shanghai 200092, China.
4. Senior Director, Office of Research and Economic Development, Univ. of North Texas, Denton, TX 76203.