1. Nursing home care division, MeanderGroep Zuid-Limburg, Kerkrade, The Netherlands
2. Department of Medical Psychology, Amsterdam UMC, Amsterdam, The Netherlands
3. Alzheimer Centrum Limburg, School of Mental Health and Neurosciences (Mhens), Faculty of Health, Medicine and Life Sciences, Maastricht University, Maastricht, The Netherlands
4. Clinical Centre of Excellence for Personality Disorders in Older Adults, Mondriaan Mental Health Center, Heerlen, The Netherlands
5. Department Psychology (PE), Personality and Psychopathology Research group (PEPS), Vrije Universiteit Brussel, Brussels, Belgium
6. Department of Medical and Clinical Psychology, Tilburg University, Tilburg, The Netherlands
7. Nursing home care division, Sevagram, Heerlen, The Netherlands
8. Department of Neuropsychology and Psychopharmacology, Faculty of Psychology and Neuroscience, Maastricht University, Maastricht, The Netherlands