1. Department of Psychology, Humboldt University, Rudower Chaussee 18, D-12489 Berlin, Germany
2. Department of Psychiatry and Psychotherapy, Ludwig-Maximilians University, München, Germany
3. Private Practice, Georgenstraße, D-80799 München, Germany
4. Department of Psychology, Otto-von-Guericke University, Magdeburg, PO Box 4120, D-39016 Magdeburg, Germany