1. Center for Applied Health Research on Aging and the Division of General Internal Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
2. Galter Health Sciences Library & Learning Center, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
3. Philip R. Lee Institute for Health Policy Studies, University of California San Francisco, San Francisco, CA, USA
4. Global Brain Health Institute, University of California, San Francisco and Trinity College Dublin, San Francisco, CA, USA
5. Department of Humanities and Social Sciences, University of California San Francisco, San Francisco, CA, USA
6. Department of Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
7. Weill Institute for Neurosciences, Memory and Aging Center, University of California San Francisco, San Francisco, CA, USA
8. Departments of Psychology and Medicine, University of Miami, Coral Gables, FL, USA