1. Associate Professor, Dept. of Civil and Environmental Engineering, Hong Kong Univ. of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China. ORCID: .
2. Associate Professor, School of Economics and Management, Beihang Univ., Xueyuan Rd., No. 37, Haidian District, Beijing 100191, China (corresponding author). ORCID: .
3. Formerly, Ph.D. Candidate, Dept. of Civil and Environmental Engineering, Hong Kong Univ. of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China; Senior Engineer, Transport Planning and Research Institute, Ministry of Transport, Building 2, 6A Shuguangxili, Beijing 100028, China.