1. Department of Health Care Policy, Harvard Medical School, Boston, Massachusetts
2. Department of Health Policy and Management, University of Pittsburgh School of Public Health, Pittsburgh, Pennsylvania
3. Department of Health Policy and Management, Harvard T.H. Chan School of Public Health, Boston, Massachusetts
4. Program for Addiction Research, Clinical Care, Knowledge, and Advocacy (PARCKA), Informatics, Decision Enhancement, and Analytic Sciences (IDEAS) Center, Department of Internal Medicine, University of Utah School of Medicine, Salt Lake City
5. VA Salt Lake City Health Care System, Salt Lake City, Utah