1. Department of Psychotic Disorders, GGZ Drenthe , Dennenweg 9, PO Box 30007, 9404 LA, Assen , The Netherlands
2. University Center of Psychiatry, University Medical Center Groningen, University of Groningen , Hanzeplein 1, PO Box 30.001, 9700 RB, Groningen , The Netherlands
3. Department of Clinical and Developmental Neuropsychology, University of Groningen , Grote Kruisstraat 2/1, 9712 TS, Groningen , The Netherlands
4. GGZ Delfland , Sint Jorisweg 2, 2612 GA, Delft , The Netherlands
5. Zeeuwse Gronden , Axelsestraat 8/A, 4537 AJ, Terneuzen , The Netherlands
6. GGZ Westelijk Noord-Brabant , Hoofdlaan 8, PO Box 371, 4600AJ, Bergen op Zoom , The Netherlands
7. Tranzo, Tilburg School of Social and Behavioral Sciences, Tilburg University , Professor Cobbenhagenlaan 125, PO Box 90153, 5000LE Tilburg , The Netherlands