1. Center for the Study of Healthcare Innovation, Implementation, and Policy, VA Greater Los Angeles Healthcare System, Los Angeles, California
2. Division of General Internal Medicine and Health Services Research, UCLA David Geffen School of Medicine, Los Angeles, California
3. VA Ann Arbor, Center for Clinical Management Research, Ann Arbor, Michigan
4. Department of Medicine, University of Michigan Medical School, Ann Arbor
5. Department of Psychiatry and Biobehavioral Sciences, UCLA Semel Institute for Neuroscience and Human Behavior, Los Angeles, California
6. RAND Corporation, Santa Monica, California