1. Associate Professor, School of Civil and Environmental Engineering, Nanyang Tech. Univ., Singapore 639798.
2. Professor, School of Civil and Environmental Engineering, Nanyang Tech. Univ., Singapore 639798.
3. Assistant Professor, School of Civil and Environmental Engineering, Nanyang Tech. Univ., Singapore 639798.
4. Research Student, School of Civil and Environmental Engineering, Nanyang Tech. Univ., Singapore 639798.