1 From the Department of Oral and Maxillofacial Surgery, Amsterdam University Medical Centers/Academic Center for Dentistry (ACTA), University of Amsterdam, Amsterdam, The Netherlands (Steenen, de Lange); the Department of Oral Public Health, Academic Centre for Dentistry Amsterdam, University of Amsterdam and VU University Amsterdam, Amsterdam, The Netherlands (Steenen, de Jongh); the Parnassia Psychiatric Institute, Amsterdam, The Netherlands (van Westrhenen); the Department of Psychiatry and Neuropsychology, Maastricht University Medical Center, Maastricht, The Netherlands (van Westrhenen); the Institute of Psychiatry, Psychology & Neuroscience (IoPPN), King's College London, London, UK (van Westrhenen); the Institute of Health and Society, University of Worcester, Worcester, UK (de Jongh); the School of Psychology, Queen's University, Belfast, Northern Ireland (de Jongh).