1. Thomas Jefferson Medical Center, Philadelphia, PA, USA
2. Cleveland Clinic Lou Ruvo Center for Brain Health, Cleveland, OH, USA
3. AAA Neuropsychology, Malvern, PA, USA
4. Jersey Shore University Medical Center, Neptune, NJ, USA
5. Kaiser Permanente Northern California, Oakland, CA, USA
6. Memory and Aging Center, Department of Neurology, University of California San Francisco (UCSF), San Francisco, CA, USA
7. Department of Neurology, Medical Campus, Boston, MA, USA
8. The Framingham Heart Study - Brain Aging Program, Framingham, MA, USA