[1] Minneapolis Veterans Affairs Health Care System,Substance Use Disorders Quality Enhancement Research Initiative
[2] University of Minnesota School of Medicine,Department of Psychiatry
[3] Palo Alto Veterans Affairs Health Care System,Substance Use Disorders Quality Enhancement Research Initiative
[4] George Washington University,Department of Health Policy
[5] Ralph H. Johnson Veterans Affairs Medical Center,Center for Drug and Alcohol Problems
[6] Medical University of South Carolina,Department of Psychiatry and Behavioral Services
[7] South Texas Veterans Affairs Health Care System,Substance Abuse Treatment Program
[8] University of Texas Health Science Center at San Antonio,Department of Psychiatry
[9] William S. Middleton Memorial Veterans Hospital,Department of Family Medicine
[10] University of Wisconsin School of Medicine and Public Health,undefined