1. Postdoctoral Fellow, Dept. of Logistics and Maritime Studies, The Hong Kong Polytechnic Univ., Hong Kong 999077.
2. Senior Lecturer, Institute of Transport Studies, Dept. of Civil Engineering, Monash Univ., Clayton, VIC 3800, Australia (corresponding author).
3. Ph.D. Candidate, Dept. of Statistics, Univ. of Illinois Urbana-Champaign, Champaign, IL 61820. ORCID: .