1. Center for Health Research, Kaiser Permanente Northwest/Hawaii, Portland, Oregon.
2. National Alzheimer's Association, Washington, D.C.
3. Oregon Health and Sciences University, Portland, Oregon.
4. Department of Research and Evaluation, Southern California Permanente Medical Group, Pasadena, California.
5. Kaiser Permanente Aging Network, San Diego, California.
6. American Institutes for Research, Washington, D.C.