1. Chair Professor, Dept. of Civil and Structural Engineering, The Hong Kong Polytechnic Univ., Kowloon, Hong Kong, China.
2. Lecturer, School of Civil Engineering, Beijing Jiaotong Univ., Beijing, China.
3. Associate Professor, College of Civil Engineering, Tongji Univ., Shanghai, China.
4. Research Associate, Dept. of Civil and Structural Engineering, The Hong Kong Polytechnic Univ., Kowloon, Hong Kong, China.
5. Professor, School of Civil Engineering, Beijing Jiaotong Univ., Beijing, China.