1 Research Group of Pain and Neuroscience, Kyung Hee University, Seoul 130-701, Republic of Korea; Brussels Institute for Applied Linguistics, Free University of Brussels, Brussels 1050, Belgium. Electronic address: info@mauritsvandennoort.com.
2 Neurology Unit, Laboratory for Cognitive and Neurological Sciences, Department of Medicine, Faculty of Science, University of Fribourg, 1700 Fribourg, Switzerland.
3 Research Group of Pain and Neuroscience, Kyung Hee University, Seoul 130-701, Republic of Korea.
4 Donders Institute for Brain, Cognition, and Behaviour, Radboud University Nijmegen, Nijmegen 6525, The Netherlands; Psychiatric Research Institute, LVR-Klinik Bedburg-Hau, Bedburg-Hau 47511, Germany.