1. Department Psychiatry, EMGO Institute for Health and Care Research; GGZinGeest/VU University Medical Center; Amsterdam The Netherlands
2. Department of Psychiatry; St Antonius Hospital; Utrecht The Netherlands
3. Department of Geriatric Psychiatry; GGZ Noord Holland Noord; Alkmaar The Netherlands
4. Department of Psychiatry; Leiden University Medical Center; Leiden The Netherlands
5. Department of Psychiatry, Collaborative Antwerp Psychiatric Institute (CAPRI); University of Antwerp; Antwerp Belgium