1. Ph.D. Candidate, Div. of Engineering and Policy for Sustainable Environment, Graduate School of Engineering, Hokkaido Univ., Sapporo 060-8628, Japan.
2. Assistant Professor, Dept. of Civil and Environmental Engineering, Hong Kong Polytechnic Univ., Hung Hom, Kowloon, Hong Kong, China.
3. Associate Professor, Dept. of Civil Engineering, College of Civil Engineering and Architecture, Zhejiang Univ., Hangzhou 310058, China.
4. Former Master Student, Div. of Built Environment, Faculty of Engineering, Hokkaido Univ., Sapporo 060-8628, Japan.
5. Professor, Div. of Engineering and Policy for Sustainable Environment, Faculty of Engineering, Hokkaido Univ., Sapporo 060-8628, Japan (corresponding author).