[1] Univ Michigan, Sch Social Work, Ann Arbor, MI 48109 USA
[2] Univ Michigan, Ctr Comprehens Canc, Ann Arbor, MI 48109 USA
[3] Univ Calif Los Angeles, Semel Inst, Los Angeles, CA USA
[4] Childrens Hosp Los Angeles, Childrens Ctr Canc & Blood Dis, Los Angeles, CA 90027 USA
[5] St Jude Childrens Res Hosp, Dept Behav Med, Memphis, TN 38105 USA
[6] St Jude Childrens Res Hosp, Dept Epidemiol & Canc Control, Memphis, TN 38105 USA
[7] Univ Alberta, Dept Publ Hlth Sci, Edmonton, AB, Canada
[8] Univ Colorado, Sch Med, Div Hlth Care Policy & Res, Aurora, CO USA
[9] UCLA Jonsson Comprehens Canc Ctr, Div Canc Prevent & Control Res, Los Angeles, CA USA