1. Donders Centre for Cognition, Radboud University Nijmegen, Postbus 9104, Montessorilaan 3, 6500 HR Nijmegen, The Netherlands
2. LVR-Klinik Bedburg-Hau, Bahnstrasse 6, 47551 Bedburg-Hau, Germany
3. Division of Acupuncture & Meridian, WHO Collaborating Center for Traditional Medicine, East-West Medical Research Institute and School of Korean Medicine, Kyung Hee University, Number 1 Hoegi-Dong, Dongdaemoon-ku, Seoul 130-701, Republic of Korea
4. TALK, Free University of Brussels, Pleinlaan 2, 1050 Brussels, Belgium
5. Behavioural Science Institute, Radboud University Nijmegen, Montessorilaan 3, 6525 HR Nijmegen, The Netherlands
6. Centre of Excellence for Neuropsychiatry, Vincent van Gogh Institute for Psychiatry, Stationsweg 46, 5803 AC Venray, The Netherlands