1. Department of Neurology, Oregon Health & Science University , Portland, Oregon , USA
2. Edinburgh Dementia Prevention, University of Edinburgh , Edinburgh , UK
3. Institute in Aging & Lifelong Health, University of Victoria , Victoria, British Columbia , Canada
4. Program in Public Health, Department of Family, Population, and Preventive Medicine, Stony Brook University , Stony Brook, New York , USA
5. Department of Computer and Information Science, Linkoping University , Linköping , Sweden
6. Department of Psychology and Human Development, Peabody College, Vanderbilt University , Nashville, Tennessee , USA