1. Department of Psychology and PsychotherapyUniversity Witten/Herdecke Witten Germany
2. Department for Psychotherapy and Biopsychosocial HealthDanube University Krems Krems Austria
3. Hector Research Institute of Education Sciences and PsychologyUniversity of Tübingen Tübingen Germany
4. Department of PsychologyRuhr University Bochum Bochum Germany