1. Department of Neurophysiology, Donders Institute for Brain, Cognition and Behaviour, Radboud University, Nijmegen, The Netherlands
2. Tactile Perception and Learning Laboratory, International School for Advanced Studies, Trieste, Italy
3. Radboud University Medical Center, Nijmegen, The Netherlands
4. Psychophysiology Laboratory, Institute of Psychology, Jagiellonian University, Krakow, Poland
5. Smoluchowski Institute of Physics, Jagiellonian University, Krakow, Poland
6. Department of Neuroinformatics, Donders Institute for Brain Cognition and Behaviour, Radboud University, Nijmegen, The Netherlands