1 Department of Anesthesiology, Brigham and Women's Hospital, Harvard Medical School, Harvard University, Boston, MA 02115, United States.
2 Department of Internal Medicine, Yale University School of Medicine, New Haven, CT 06510, United States.
3 Department of Medicine, Center for Care Delivery and Outcomes Research, Minneapolis VA Health Care System and University of Minnesota Medical School, Minneapolis, MN 55417, United States.
4 Department of Psychiatry, Yale University School of Medicine, New Haven, CT 06510, United States.
5 Public Health and Preventive Medicine, Kaiser Permanente Center for Health Research, Oregon Health & Science University, Portland, OR 97227, United States.
6 Department of Psychiatry, Oregon Health & Science University, Portland, OR 97239, United States.
7 Center to Improve Veteran Involvement in Care, VA Portland Health Care System, Portland, OR 97239, United States.
8 Department of Biostatistics, Yale School of Public Health and Yale Center for Analytical Sciences, Yale University, New Haven, CT 06510, United States.
9 Center for the Study of Healthcare Innovation, Implementation and Policy, Greater Los Angeles VA Health Care System, Los Angeles, CA 91343, United States.
10 Department of Health Policy and Management, School of Medicine; UCLA School of Public Health, University of California, Los Angeles, Los Angeles, CA 90095, United States.
11 Department of Epidemiology, College of Public Health, University of Iowa, Iowa City, IA 52242, United States.
12 Research and Development Service, James A. Haley Veterans Hospital, Tampa, FL 33612, United States.