Kaiser Permanente Center for Health Research, Southeast, Atlanta, Georgia, United States
Group Health Cooperative, Seattle, Washington, United States
Group Health Research Institute, Seattle, Washington, United States
Kaiser Permanente, Los Angeles, California, United States
La Clinica Health Care, Medford, Oregon, United States
Mosaic Medical, Bend, Oregon, United States
Benton and Linn County Health Centers, Corvallis, Oregon, United States
Group Health Research Institute, Seattle, Washington, United States
Kaiser Permanente Center for Health Research, Portland, Oregon, United States
Kaiser Permanente, Chemical Dependency Recovery Program, San Francisco, California, United States
Kaiser Permanente Colorado, Denver, Colorado, United States
VA Eastern Colorado Health Care System, Denver, Colorado, United States