1. College of Urban Transportation and Logistics, Shenzhen Technology University, Shenzhen, China
2. Section of Air Transport and Operations, Faculty of Aerospace Engineering, Delft University of Technology, AA Delft, The Netherlands
3. School of Data Science, City University of Hong Kong, Hong Kong
4. Grado Department of Industrial and Systems Engineering, Virginia Polytechnic Institute and State University, Blacksburg, VA, USA