[1] Emory Univ, Atlanta, GA 30322 USA
[2] Emory Univ, Winship Canc Inst, Dept Radiat Oncol, Atlanta, GA 30322 USA
[3] H Lee Moffitt Canc Ctr & Res Inst, Tampa, FL USA
[4] H Lee Moffitt Canc Ctr & Res Inst, Tampa, FL USA
[5] Emory Univ, Winship Canc Inst, Dept Hematol & Med Oncol, Atlanta, GA 30322 USA
[6] Emory Univ, Rollins Sch Publ Hlth, Dept Biostat & Bioinformat, Atlanta, GA 30322 USA