Kaiser Permanente Washington Health Research Institute, Seattle, Washington, United States
Kaiser Permanente Georgia Center for Research and Evaluation, Atlanta, Georgia, United States
Division of Research, Kaiser Permanente Northern California, Oakland, California, United States
Kaiser Permanente Southern California Department of Research and Evaluation, Pasadena, California, United States
Kaiser Permanente Southern California, Pasadena, California, United States
Kaiser Permanente San Francisco Medical Center, San Francisco, California, United States
Kaiser Permanente, Aurora, Colorado, United States
Kaiser Permanente Southern California, Pasadena, California, United States
Kaiser Permanente Washington Health Research Institute, Seattle, Washington, United States
Kaiser Permanente Northwest Center for Health Research, Portland, Oregon, United States