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, Belgium. Electronic address: info@mauritsvandennoort.com.
2 Psychiatric Research Institute, LVR-Klinik Bedburg-Hau, Bedburg-Hau, Germany; Donders Centre for Cognition, Radboud University Nijmegen, Nijmegen, Netherlands.
3 Psychiatric Research Institute, LVR-Klinik Bedburg-Hau, Bedburg-Hau, Germany.
4 Department of Acupuncture and Meridian of Oriental Medicine, Sang Ji University, Wonju, Republic of Korea.
5 Research Group of Pain and Neuroscience, Kyung Hee University, Seoul 130-701, Republic of Korea.