1. Department of Geriatric MedicineNoordWest Ziekenhuisgroep Alkmaar The Netherlands
2. Psychogeriatric Observation UnitInstitution for Mental Health Care, Dijk en Duin (Parnassia Groep) Castricum The Netherlands
3. Department of PsychiatrySligo Mental Health Services Sligo Ireland
4. Department of PsychiatryResearch and Academic Institute of Athens Athens Greece
5. Department of SurgeryNoordWest Ziekenhuisgroep Alkmaar The Netherlands
6. Department of NeurologyAcademic Medical Center Amsterdam The Netherlands
7. Department of PsychiatryGGZinGeest and VuMC Amsterdam The Netherlands