1. UCLA Center for Health Policy Research, Los Angeles, CA
2. Division of General Internal Medicine and Health Services Research, Department of Medicine, University of California, Los Angeles, Los Angeles, CA
3. Truven Health Analytics, Washington, DC
4. St. Jude Medical, Los Angeles, CA
5. Department of Health Policy and Management, UCLA Fielding School of Public Health, Los Angeles, CA
6. Department of Health Services Administration, University of Maryland School of Public Health, College Park, MD