?:authorAffiliation
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[\'Department of Research & Evaluation, Kaiser Permanente Southern California, Pasadena, CA, USA.\', \'Department of Preventive Medicine, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA.\', \'Department of Research & Evaluation, Kaiser Permanente Southern California, Pasadena, CA, USA; Department of Preventive Medicine, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA.\', \'Sonoma Technology, Inc., Petaluma, CA, USA.\', \'Department of Research & Evaluation, Kaiser Permanente Southern California, Pasadena, CA, USA. Electronic address: anny.h.xiang@kp.org.\']
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