1. Department of Epidemiology UCLA Fielding School of Public Health Los Angeles California USA
2. School of Nursing and Alzheimer's Disease Research Center, University of Wisconsin–Madison Madison Wisconsin USA
3. Department of Biostatistics UCLA Fielding School of Public Health Los Angeles California USA
4. Department of Geriatrics UCLA David Geffen School of Medicine Los Angeles California USA
5. Taub Institute for Research on Alzheimer's Disease and the Aging Brain, Department of Neurology Columbia University Vagelos College of Physicians and Surgeons New York City New York USA