[1] VA Bedford Healthcare Syst, Ctr Healthcare Org & Implementat Res, Bedford, MA USA
[2] Brandeis Univ, Heller Sch Social Policy & Management, Waltham, MA USA
[3] VA Boston Healthcare Syst, Ctr Healthcare Org & Implementat Res, Boston, MA USA
[4] Boston Univ, Hlth Law Policy & Management Dept, Sch Publ Hlth, Boston, MA USA
[5] Univ Massachusetts, Dept Populat & Quantitat Hlth Sci, Div Prevent & Behav Med, Chan Med Sch, Worcester, MA USA
[6] VA Bedford Healthcare Syst, Ctr Healthcare Org & Implementat Res, 200 Springs Rd, Bedford, MA 01730 USA