1. GGZ inGeest/Department of Psychiatry and the EMGO + Institute for Health and Care Research, Amsterdam Public Health Research Institute, VU University Medical Center, Amsterdam, The Netherlands;
2. Department of Old Age Psychiatry, University Psychiatric Center KU Leuven (Catholic University of Leuven), Leuven, Belgium;
3. Academic center for ECT and Neuromodulation (AcCENT), University Psychiatric Center KU Leuven (Catholic University of Leuven), Kortenberg, Belgium