1. Center on Aging
2. The Alzheimer's Disease Center
3. The Neuropsychiatric Institute
4. Department of Psychiatry and Biobehavioral Sciences, University of California Los Angeles, Los Angeles, California;
5. The VA Greater Los Angeles Healthcare System, Los Angeles, California;
6. Consumer Health Sciences, Princeton, New Jersey; and
7. Janssen Pharmaceutica Products LP, Titusville, New Jersey.