1 Department of Research & Evaluation, Kaiser Permanente Southern California, Pasadena, CA 91101, USA; Department of Health Systems Science, Kaiser Permanente Bernard J Tyson School of Medicine, Pasadena, CA USA. Electronic address: sara.y.tartof@kp.org.
2 Department of Research & Evaluation, Kaiser Permanente Southern California, Pasadena, CA 91101, USA.
3 Pfizer, Collegeville, PA, USA.
4 Kaiser Permanente Hawaii Center for Integrated Health Care Research, Honolulu, HI, USA.
5 Southern California Permanente Medical Group, Harbor City, CA, USA.