1. Pardee RAND Graduate School, RAND Corporation, Santa Monica, California.
2. Department of Medicine, VA Greater Los Angeles Healthcare System, Los Angeles, California.
3. Department of Medicine, Division of General Internal Medicine and Health Services Research, University of California Los Angeles, Los Angeles, California.
4. RAND Health, RAND Corporation, Santa Monica, California.
5. RAND Corporation, Arlington, Virginia.
6. Bellweather Care, Inc. and Okapi Venture Capital, Laguna Beach, California.