[1] Univ Texas MD Anderson Canc Ctr, Dept Hlth Dispar Res, Houston, TX 77030 USA
[2] Univ Texas MD Anderson Canc Ctr, Dept Epidemiol, Houston, TX 77030 USA
[3] Univ Minnesota, Sch Med, Program Hlth Dispar Res, Minneapolis, MN 55455 USA
[4] Univ Minnesota, Sch Med, Ctr Hlth Equ, Minneapolis, MN 55455 USA