1. Graduate Student, School of Engineering and IT (SEIT), Univ. of New South Wales (UNSW), Australia.
2. Graduate Student, Dept. of Civil and Environmental Engineering, Korea Advanced Institute of Science and Technology (KAIST), Korea.
3. Professor, Dept. of Civil and Environmental Engineering, Korea Advanced Institute of Science and Technology (KAIST), Korea.
4. Associate Professor, Dept. of Civil Systems Engineering, Ajou Univ., Korea.