1. Institute for Health Policy Studies, School of Medicine, University of California, San Francisco
2. Health Economics, University of California, Berkeley
3. Institute for Health Policy Studies
4. Health Services Administration, Arizona State University, Tempe
5. Medicine, School of Medicine, and Faculty Member, Institute for Health Policy Studies
6. Coopers & Lybrand, San Francisco
7. School of Medicine, and Coordinator of Research and Policy Analysis, Institute for Health Policy Studies