1. School of Transportation and Logistics, Dalian Univ. of Technology, No. 2 Linggong Rd., Ganjingzi District, Dalian 116024, PR China (corresponding author). ORCID: .
2. Professor and Dean of the School of Transportation and Logistics, Dalian Univ. of Technology, No. 2 Linggong Rd., Ganjingzi District, Dalian 116024, PR China.
3. Ph.D. Candidate, School of Transportation and Logistics, Dalian Univ. of Technology, No. 2 Linggong Rd., Ganjingzi District, Dalian 116024, PR China.