1. Department of Psychiatry, Leiden University Medical Center, Leiden, The Netherlands
2. Department of Public Health and Primary Care, Leiden University Medical Center, Leiden, The Netherlands
3. Department of Neurology, Leiden University Medical Center, Leiden, The Netherlands
4. Collaborative Antwerp Psychiatric Research Institute (CAPRI), Faculty of Medicine, University of Antwerp, Antwerp, Belgium
5. Center for Mental Health Care Delfland, Delft, The Netherlands