1. Viersprong Institute for Studies on Personality Disorders; Halsteren The Netherlands
2. Departement of Psychiatry, section Medical Psychology and Psychotherapy; Erasmus Medical Center; Rotterdam The Netherlands
3. Department of Medical Statistics and Bioinformatics; Leiden University Medical Center; Leiden The Netherlands
4. Programme group Clinical Psychology, Faculty of Social and Behavioural Sciences; University of Amsterdam; Amsterdam The Netherlands