1. Division of Clinical Psychology and Psychiatry, and
2. Division of Clinical Psychology and Psychotherapy, Department of Psychology, University of Basel, Basel, Switzerland
3. Department of Neurobehavioral Genetics, Institute of Psychobiology, University of Trier, Trier, Germany
4. Department of Epidemiology, School of Public Health, University of California at Los Angeles, Los Angeles, California, USA
5. The Danish Epidemiology Science Centre, Department of Epidemiology, Institute of Public Health, University of Aarhus, Aarhus, Denmark
6. Division of Applied Statistics in Life Sciences, Department of Psychology, University of Basel, Basel, Switzerland
7. National Centre of Competence in Research, Swiss Etiological Study of Adjustment and Mental Health (sesam), Basel, Switzerland
8. Biostatistics and Computational Sciences, Department of Epidemiology and Public Health, Swiss Tropical and Public Health Institute, Basel, Switzerland
9. Division of Clinical Psychology and Epidemiology, Department of Psychology, University of Basel, Basel, Switzerland