1. Department of Internal Medicine; Yale University School of Medicine; New Haven Connecticut
2. Center for Outcomes Research and Evaluation; Yale-New Haven Hospital; New Haven Connecticut
3. Department of Research and Development; Philips Healthcare; Baltimore Maryland
4. Aging Brain Center; Institute for Aging Research; Hebrew SeniorLife; Boston Massachusetts
5. Department of Psychiatry and Human Behavior; Department of Neurology; Warren Alpert Medical School; Brown University; Providence Rhode Island
6. Department of Medicine; Beth Israel Deaconess Medical Center; Harvard Medical School; Boston Massachusetts