Group Health Research Institute, Seattle, Washington, United States
Kaiser Permanente Center for Health Research, Portland, Oregon, United States
Kaiser-Permanente Colorado Region, Clinical Pharmacy Dept., Aurora, Colorado, United States
Kaiser Permanente San Francisco, San Francisco, California, United States
Kaiser Permanente Division of Research, Oakland, California, United States
Kaiser Permanente Oakland, Oakland, California, United States
Group Health Cooperative, Seattle, Washington, United States
Kaiser Permanente Colorado, Institute for Health Research, Denver, Colorado, United States
Center for Health Research/KPH, Honolulu, Hawaii, United States
Center for Health Research-KPNW, Portland, Oregon, United States