1. Institute for Health Research; Kaiser Permanente Colorado; Denver CO USA
2. University of Colorado Skaggs; School of Pharmacy and Pharmaceutical Sciences; Aurora CO USA
3. University of Colorado School of Medicine; Aurora CO USA
4. Group Health Research Institute; Seattle WA USA
5. Kaiser Permanente Center for Health Research; Portland OR USA
6. Health Partners Institute for Education and Research; Minneapolis MN USA
7. The Permanente Medical Group; Oakland CA USA
8. Department of Population Medicine; Harvard Medical School, and Harvard Pilgrim Health Care Institute; Boston MA USA
9. Colorado Permanente Medical Group; Denver CO USA