[1] Univ Tennessee, Hlth Sicence Ctr, Ctr Sickle Cell Dis, Germantown, TN USA
[2] Univ Tennessee, Hlth Sicence Ctr, Div Hematol Oncol, Germantown, TN USA
[3] Univ Memphis, Div Epidemiol Biostat & Environm Hlth, Sch Publ Hlth, Memphis, TN USA
[4] Jewish Hosp, Oncol Hematol Care Hematol & Oncol, Blood & Marrow Transplant Jewish Hosp, Cincinnati, OH USA
[5] Univ Tennessee, Hlth Scienter Ctr, Ctr Sickle Cell Dis, Memphis, TN USA
[6] Univ Tennessee, Hlth Scienter Ctr, Div Hematolo Oncol, Memphis, TN USA
[7] Univ Arkansas Med Sci, Northwest Campus Lib, Fayetteville, AR USA
[8] Univ Tennessee, Hlth Scienter Ctr, Hlth Sci Lib, Res & Learning Serv, Memphis, TN USA
[9] Univ Memphis, Sch Publ Hlth, Div Epidemiol Biostat & Environm Hlth, Memphis, TN USA
[10] Univ Tennessee, Hlth Sci Ctr, Ctr Sickle Cell Dis, Memphis, TN USA
[11] Univ Tennessee, Hlth Sci Ctr, Memphis, TN USA