1. Florence, Mariahoeve, Centre for Specialized Care in Early Onset Dementia, Rijswijk, The Netherlands, Department of Primary and Community Care, Centre for Family Medicine, Geriatric Care and Public Health, Radboud University Nijmegen, Medical Centre, Nijmegen, The Netherlands,
2. School for Mental Health and Neuroscience/Alzheimer Centre Limburg, Maastricht University Medical Centre, Maastricht, The Netherlands
3. Department of Primary and Community Care, Centre for Family Medicine, Geriatric Care and Public Health, Radboud University Nijmegen, Medical Centre, Nijmegen, The Netherlands, Scientific Institute for Quality of Healthcare/Alzheimer Centre, Nijmegen, The Netherlands, Kalorama foundation, Nijmegen, The Netherlands
4. Department of Primary and Community Care, Centre for Family Medicine, Geriatric Care and Public Health, Radboud University Nijmegen, Medical Centre, Nijmegen, The Netherlands