1. Department of Primary and Community Care, Radboud University Medical Center, Radboud Institute for Health Sciences, Nijmegen, the Netherlands
2. Radboudumc Alzheimer Center, Nijmegen, the Netherlands
3. Department of General Practice and Elderly Care Medicine, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
4. Department of General Practice and Elderly Care Medicine, Amsterdam Public Health Research Institute, Amsterdam University Medical Centers, Amsterdam, the Netherlands
5. Center for Specialized Geriatric Care, De Waalboog “Joachim en Anna”, Nijmegen, the Netherlands