1. Institute of Highway Engineering, RWTH Aachen University, Aachen, Germany
2. Faculty of Civil Engineering and Geosciences, Delft University of Technology, Delft, The Netherlands
3. School of Transportation and Logistics, Dalian University of Technology, Dalian, People’s Republic of China
4. School of Transportation Science and Engineering, Harbin Institute of Technology, Harbin, People’s Republic of China
5. Institute of Urban and Pavement Engineering, Technische Universität Dresden, Dresden, Germany