1 Department of Forensic Psychiatry, Mental Health Services Drenthe, Assen, The Netherlands [email protected] Department of Pharmacotherapy and Pharmaceutical Care, University of Groningen, Groningen, The Netherlands Department of Pharmacoepidemiology and Pharmacoeconomics (PE2), University of Groningen, Groningen, The Netherlands Rob Giel Research Center (RGOc), Department of Psychiatry, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands Department of Forensic Psychiatry and Center for Sleep and Psychiatry Assen, Mental Health Services Drenthe, Assen, The Netherlands.