*From the UCLA Multi campus Program in Geriatric Medicine and Gerontology, Los Angeles, California.
†From RAND, Santa Monica, California.
‡From the Borun Center for Gerontological Research, Reseda, California.
§From Harvard University, Boston, Massachusetts.
¶From Emory University School of Medicine, Atlanta, Georgia.
Supported by a grant from the Robert Wood Johnson Foundation #024748.
Address correspondence to: John F. Schnelle, PhD, UCLA/Borun Center, 7150 Tampa Avenue, Reseda, CA 91335. E-mail: [email protected].
Received April 7, 1998; initial review completed June 4, 1998; accepted October 8, 1998.