[1] Vet Hlth Adm, Ctr Hlth Informat & Commun, Dept Vet Affairs, Richard L Roudebush VA Med Ctr, Hlth Syst Res CIN 13 416, Indianapolis, IN 46202 USA
[2] US Dept Vet Affairs, Vet Hlth Adm, VA Ctr Healthcare Optimizat & Implementat Res, VA Bedford Healthcare Syst, Bedford, MA USA
[3] UMass Chan Med Sch, Dept Populat & Quantitat Hlth Sci, 55 N Lake Dr, Worcester, England
[4] Regenstrief Inst Inc, Indianapolis, IN USA
[5] Indiana Univ Indianapolis, Dept Psychol, Indianapolis, IN USA
[6] Univ Michigan, Dept Internal Med, Ann Arbor, MI USA
[7] VA Ann Arbor Healthcare Syst, VA Ctr Clin Management Res, Ann Arbor, MI USA
[8] Boston Univ, Chobanian & Avedisian Sch Med, Sect Gen Internal Med, Boston, MA USA
[9] Boston Univ, Sch Publ Hlth, Dept Hlth Law Policy & Management, Boston, MA USA
[10] Indiana Univ Bloomington, Sch Publ Hlth, Dept Epidemiol & Biostat, Bloomington, IN USA
[11] Indiana Univ Sch Med, Dept Med, Indianapolis, IN USA