1. Department of Primary and Community Care, Center for Family Medicine, Geriatric Care and Public Health, Radboud University Nijmegen, Medical Center, Nijmegen, The Netherlands
2. Vilans, National Knowledge Centre for Expertise in Long-Term Care, Utrecht, The Netherlands
3. De Wever, Nursing Home, Tilburg, The Netherlands
4. Department of Psychiatry and Neuropsychology, School for Mental Health and Neuroscience, Alzheimer Centre Limburg, Maastricht University, Maastricht, The Netherlands
5. Florence, Mariahoeve, Center for Specialized Care in Early Onset Dementia, Den Haag, The Netherlands