[1] Univ Virginia, Div Publ Hlth Policy & Practice, Sch Med, Charlottesville, VA 22903 USA
[2] Univ Virginia, Publ Hlth Program, Charlottesville, VA 22903 USA
[3] Univ Virginia, Inst Pract Eth & Publ Life, Charlottesville, VA 22903 USA
[4] Johns Hopkins Sch Publ Hlth, Baltimore, MD USA
[5] Johns Hopkins Bioeth Inst, Baltimore, MD USA
[6] Johns Hopkins Hosp Eth Comm, Baltimore, MD USA
[7] Johns Hopkins Hlth Care Sci & Benefits Assessment, Baltimore, MD 21218 USA
[8] Oregon Hlth & Sci Univ, Dept Family Med, Portland, OR 97201 USA
[9] Clark & Skamania Counties, Washington, DC USA
[10] Oregon Hlth & Sci Univ, Dept Publ Hlth & Prevent Med, Portland, OR 97201 USA
[11] Oregon Hlth & Sci Univ, Dept Med Informat & Clin Epidemiol, Portland, OR 97201 USA