?:authorAffiliation
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[\'Department of Cardiology, Kaiser Permanente San Francisco Medical Center, San Francisco, California, USA.\', \'Division of Research, Kaiser Permanente Northern California, Oakland, California, USA.\', \'Department of Health Systems Science, Kaiser Permanente Bernard J. Tyson School of Medicine, Pasadena, California, USA.\', \'Departments of Epidemiology, Biostatistics and Medicine, University of California, San Francisco, San Francisco, California, USA.\', \'Department of Medicine, Stanford University, Palo Alto, California, USA.\']
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