1. Department of Radiology, Leiden University Medical Center, Leiden, The Netherlands
2. Department of Neuropsychology and Psychiatry, Maastricht University, Maastricht, The Netherlands
3. Department of Neurology, J. Philip Kistler Stroke Research Center, Massachusetts General Hospital, Boston, MA, USA
4. Department of Medical Imaging, Hematology and Clinical Oncology, Ribeirão Preto Medical School, USP, SP, Brazil
5. MassGeneral Institute for Neurodegenerative Disease, Massachusetts General Hospital, Charlestown, MA 02129, USA
6. Department of Psychiatry, Massachusetts General Hospital, Boston, MA, USA
7. Department of Neurology, Brain Center Rudolf Magnus, University Medical Center Utrecht, Utrecht, The Netherlands