1. German Center for Neurodegenerative Diseases (DZNE); Bonn Germany
2. Institute of Psychology; University of Innsbruck; Innsbruck Austria
3. Psychiatry and Psychotherapy Clinic III; University of Ulm; Ulm Germany
4. Federal Institute for Drugs and Medical Devices (BfArM); Bonn Germany
5. Department for Physics and Astronomy; University of Bonn; Bonn Germany