[1] Univ Nebraska Med Ctr, Coll Nursing, Fred & Pamela Buffett Canc Ctr, Omaha, NE 68198 USA
[2] NCI, Outcomes Res Branch, Appl Res Program, Div Canc Control & Populat Sci, Bethesda, MD 20892 USA
[3] Univ S Florida, Coll Med, H Lee Moffitt Canc Ctr & Res Inst, Div Populat Sci, Tampa, FL 33612 USA
[4] Massachusetts Gen Hosp, Ctr Canc, Ctr Psychiat Oncol & Behav Sci, Boston, MA 02114 USA
[5] Harvard Univ, Sch Med, Boston, MA USA