1. Department of Sociology, University of Alabama at Birmingham, Birmingham, Alabama.
2. Program in Bioethics, University of California San Francisco, San Francisco, California.
3. Department of Bioethics and Humanities, University of Washington, Seattle, Washington.
4. Coalition for Compassionate Care of California, Sacramento, California.
5. Department of Health Policy and Management, University of California Los Angeles, Los Angeles, California.
6. Division of General Medicine and Health Services Research, University of California Los Angeles, Los Angeles, California.