1. Department of Radiology; Leiden University Medical Center; Leiden; The Netherlands
2. Division of Image Processing; Leiden University Medical Center; Leiden; The Netherlands
3. Department of Neurology and Alzheimer Center; Department of Epidemiology and Biostatistics; VU University Medical Center; Amsterdam; The Netherlands
4. Department of Gerontology; Leiden University Medical Center; Leiden; The Netherlands
5. Department of Neurology; Leiden University Medical Center; Leiden; The Netherlands
6. Department of Neuropsychology; Leiden University Medical Center; Leiden; The Netherlands