1. Department of Psychiatry and Psychology; School for Mental Health and Neuroscience; EURON; Maastricht University Medical Centre; Maastricht the Netherlands
2. Department of Psychosis Studies; Institute of Psychiatry; King's Health Partners; King's College London; London UK
3. School of Psychology; Open University; Maastricht the Netherlands
4. Netherlands Institute of Mental Health and Addiction; Utrecht the Netherlands
5. University Psychiatric Center; Katholieke Universiteit Leuven; Kortenberg Belgium