1. Department of Research & Evaluation; Kaiser Permanente Southern California; Pasadena CA USA
2. Kaiser Permanente Washington Health Research Institute; Seattle WA USA
3. Denver Health; Denver CO USA
4. Kaiser Permanente Georgia; Atlanta GA USA
5. Institute for Health Research; Kaiser Permanente Colorado; Denver CO USA
6. HealthPartners Institute for Education and Research; Bloomington MN USA
7. Department of Research; Kaiser Permanente Northern California; Oakland CA USA
8. Center for Health Research; Kaiser Permanente Northwest; Portland OR USA
9. Mid-Atlantic Permanente Research Institute; Rockville MD USA
10. Center for Health Research; Kaiser Permanente Hawaii; Honolulu HI USA