[1] Kaiser Permanente Bernard J Tyson Sch Med, 98 S Los Robles Ave, Pasadena, CA 91101 USA
[2] Kaiser Permanente Bernard J Tyson Sch Med, Off Res & Scholarship, Pasadena, CA USA
[3] Kaiser Permanente Bernard J Tyson Sch Med, Dept Hlth Syst Sci, Pasadena, CA USA
[4] Kaiser Permanente Washington Hlth Res Inst, Seattle, WA USA
[5] Kaiser Permanente Northwest, Ctr Hlth Res, Portland, OR USA
[6] Kaiser Permanente Southern Calif, Dept Res & Evaluat, Los Angeles, CA USA
[7] Hawaii Permanente Med Grp, Honolulu, HI USA
[8] Southeast Permanente Med Grp, Atlanta, GA USA
[9] Kaiser Permanente Div Res, Oakland, CA USA
[10] Kaiser Permanente Colorado, Inst Hlth Res, Aurora, CO USA