1. Department of Psychosomatic Medicine and PsychotherapyTechnische Universität Dresden Dresden Germany
2. Department of Behavioural Sciences in Medicine, Faculty of MedicineInstitute of Basic Medical Sciences, University of Oslo Oslo Norway
3. Department of Clinical and Experimental Medicine, Center for Social and Affective NeuroscienceLinköping University Linköping Sweden
4. Department of Neuroradiology, Medizinische Fakultät Carl Gustav CarusTechnische Universität Dresden Dresden Germany