1. The Taub Institute for Research on Alzheimer’s Disease and the Aging Brain, Columbia University, New York, NY, USA
2. Sergievsky Center, College of Physiciansand Surgeons, Columbia University New York, NY, USA
3. National Alzheimer’s Coordinating Center, University of Washington, WA, USA
4. Department of Epidemiology, University of Washington, WA, USA
5. Department of Neurology and Psychiatry, University “Sapienza”, Rome, Italy
6. Department of Neurology, College of Physiciansand Surgeons, Columbia University and the New York, Presbyterian Hospital, New York, NY, USA