[1] Kaiser Permanente Southern California,Department of Research and Evaluation
[2] University of Alabama at Birmingham,Department of Epidemiology
[3] Kaiser Permanente,Pharmacy Analytical Service
[4] UCLA Fielding School of Public Health,Department of Community Health Sciences
[5] Cedars-Sinai/UCLA,Department of Medicine, Rheumatology Division
[6] Duke University Medical Center,Departments of Psychiatry & Behavioral Sciences, Sociology, and Psychology & Neuroscience
[7] Kaiser Permanente,Pharmacy Analytical Service
[8] Center for Observational Research,undefined
[9] Amgen Inc.,undefined