1. Haptic Intelligence Department at the Max Planck Institute for Intelligent Systems and with the Computer Science Department, University of Stuttgart, Stuttgart, Germany
2. Department of Cognitive Robotics, Delft University of Technology, Delft, The Netherlands
3. Departments of Artificial Intelligence and Brain and Cognitive Engineering, Korea University, Seoul, South Korea
4. Haptic Intelligence Department, Max Planck Institute for Intelligent Systems, Stuttgart, Germany