1. Departments of Epidemiology & Sociomedical Sciences Mailman School of Public Health Columbia University New York New York USA
2. Taub Institute for Research on Alzheimer's Disease and the Aging Brain Department of Neurology Vagelos College of Physicians and Surgeons Columbia University New York New York USA
3. Department of Neurology, Memory and Aging Center University of California San Francisco San Francisco California USA
4. Department of Public Health Sciences University of California Davis School of Medicine Davis California USA
5. Department of Integrative Biology and Physiology University of California Los Angeles Los Angeles California USA
6. Comprehensive Center for Brain Health University of Miami Miller School of Medicine Boca Raton Florida USA