1. Department of Psychology, University of Bremen, Germany
2. Lise Meitner Group for Environmental Neuroscience, Max Planck Institute for Human Development, Berlin, Germany
3. Clinic and Policlinic for Psychiatry and Psychotherapy, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
4. Department of Sociology, Bielefeld University, Germany
5. Institute of Human Genetics, University of Bonn, School of Medicine & University Hospital Bonn, Germany
6. Institute of Neuroscience and Medicine (INM-1), Research Center Jülich, Germany
7. Department of Psychology, University of Zurich, Switzerland