1. Delft University of Technology,Department of Cognitive Robotics,CD Delft,The Netherlands,2628
2. University of Surrey,Centre for Automotive Engineering,Guildford,U.K,GU2 7XH
3. University of Eindhoven,Department of Mechanical Engineering,AZ Eindhoven,The Netherlands,5612
4. Politecnico di Torino,Departement of Mechanical and Aerospace Engineering,Torino,Italy,10129