Department of Geriatric Medicine, John A. Burns School of Medicine, University of Hawai'i at Manoa, Honolulu, HI (RF). Center on Disability Studies, University of Hawai'i at Manoa, Honolulu, HI (CCC, RRO). University of Rochester School of Medicine and Dentistry, Rochester, NY (DL). Department of Economics, University of Hawai'i at Manoa, Honolulu, HI (TH). Kaiser Permanente, Center for Health Research Hawai'i, Honolulu, HI (TF).