1. Department of Neurophysiology, Donders Institute for Brain, Cognition and Behavior, Radboud University, Nijmegen, the Netherlands; Faculty of Technology and Bionics, Rhine-Waal University of Applied Sciences, Kleve, Germany
2. Robotics, Tactile and Artificial Intelligence, Bayerische Motoren Werke AG (BMW), Munich, Germany
3. Department of Neurophysiology, Donders Institute for Brain, Cognition and Behavior, Radboud University, Nijmegen, the Netherlands
4. Faculty of Technology and Bionics, Rhine-Waal University of Applied Sciences, Kleve, Germany