1. School of Civil and Transportation Engineering, Ningbo University of Technology, Ningbo, People’s Republic of China
2. Department of Transportation Engineering, Tongji University, Shanghai, People’s Republic of China
3. School of Civil and Transportation Engineering, Beijing University of Civil Engineering and Architecture, Beijing, People’s Republic of China
4. Institute of Smart City and Intelligent Transportation, Institute of Urban Rail Transportation, Southwest Jiaotong University, Chengdu, People’s Republic of China
5. Department of Civil and Environmental Engineering, The Hong Kong Polytechnic University, Hung Hom, Hong Kong