[1] Johns Hopkins Bloomberg Sch Publ Hlth, Dept Epidmiol, Baltimore, MD 21205 USA
[2] Johns Hopkins Sch Med, Dept Surg, Div Transplantat, Baltimore, MD USA
[3] Natl Minor Organ Tissue Transplant Educ Program, Washington, DC USA
[4] Northwestern Univ, Feinberg Sch Med, Dept Surg, Chicago, IL USA
[5] Northwestern Univ, African Amer Transplant Access Program, Chicago, IL 60611 USA
[6] Howard Univ, Coll Med, Dept Surg, Washington, DC USA
[7] Duke Univ, Dept Med, Div Gen Internal Med, Durham, NC USA
[8] Duke Univ, Vice Dean Translat Sci, Durham, NC USA
[9] Duke Univ, Associate Vice Chancellor Res, Durham, NC USA