[1] Durham Vet Affairs Med Ctr, Ctr Hlth Serv Res Primary Care, Durham, NC USA
[2] Duke Univ, Dept Med, Div Gen Internal Med, Durham, NC USA
[3] Duke Univ, Dept Psychiat & Behav Sci, Durham, NC USA
[4] Duke Univ, Sch Nursing, Durham, NC USA
[5] Univ N Carolina, Dept Hlth Policy & Management, Gillings Sch Global Publ Hlth, Chapel Hill, NC USA
[6] Univ Michigan, Sch Publ Hlth, Dept Hlth Management & Policy, Ann Arbor, MI 48109 USA
[7] VA Connecticut Healthcare Syst, West Haven, CT USA
[8] Yale Univ, Sch Med, New Haven, CT USA
[9] Durham VA Med Ctr, Durham, NC USA
[10] VA Tennessee Valley Geriatr Res Educ Clin Ctr GRE, Hlth Serv Res & Dev Targeted Res Enhancement Prog, Nashville, TN USA
[11] VA Tennessee Valley Healthcare Syst, Clin Res Ctr Excellence CRCoE, Nashville, TN USA
[12] Vanderbilt Univ, Dept Med, Nashville, TN USA
[13] Univ Texas SW Med Ctr Dallas, Dept Internal Med, Dallas, TX 75390 USA
[14] Univ Texas SW Med Ctr Dallas, Dept Clin Sci, Dallas, TX 75390 USA
[15] Univ Texas SW Med Ctr Dallas, Dept Pediat, Dallas, TX 75390 USA