[1] Johns Hopkins Univ, Johns Hopkins Disabil Hlth Res Ctr, Baltimore, MD USA
[2] Brandeis Univ, Lurie Inst Disabil Policy, Heller Sch Social Policy & Management, Waltham, MA USA
[3] ACP Decis Nonprofit Fdn, Waban, MA USA
[4] Harvard Med Sch, Massachusetts Gen Hosp, Sect Gen Med, Boston, MA USA
[5] Tufts Med Ctr, Dept Med, Boston, MA USA
[6] Univ Michigan, Med Sch, Dept Family Med, Ann Arbor, MI USA
[7] 1018 Fuller St, Ann Arbor, MI 48104 USA