[1] Duke Univ, Duke Clin Res Inst, Sch Med, Durham, NC USA
[2] Duke Univ, Sch Med, Durham, NC USA
[3] Univ Missouri, Kansas Citys Healthcare Inst Innovat Qual, Columbia, MO 65211 USA
[4] St Lukes Mid Amer Heart Inst, Columbia, MO 65211 USA
[5] Anal Grp Inc, New York, NY USA
[6] Bristol Myers Squibb, Lawrenceville, NY USA
[7] Univ North Carolina Chapel Hill, Gillings Sch Global Publ Hlth, Dept Hlth Policy & Management, Chapel Hill, NC USA
[8] Duke Clin, Res Inst, 300 Morgan St, Durham, NC 27701 USA