[1] East Carolina Univ, Brody Sch Med, Dept Internal Med, Div Hematol Oncol, Greenville, NC 27858 USA
[2] East Carolina Univ, Brody Sch Med, Greenville, NC 27858 USA
[3] East Carolina Univ, Div Hematol & Oncol, Greenville, NC 27858 USA
[4] East Carolina Univ, Div Obstet & Gynecol, Greenville, NC 27858 USA
[5] Div Obstet & Gynecol, Greenville, NC USA
[6] East Carolina Univ, Brody Sch Med, Dept Med, Div Hematol Oncol, Greenville, NC 27858 USA
[7] East Carolina Univ, Brody Sch Med, Greenville, NC 27858 USA