[1] Univ Utah, Coll Nursing, 10 2000 East, Salt Lake City, UT 84112 USA
[2] Univ Utah, Kem C Gardner Policy Inst, Salt Lake City, UT 84112 USA
[3] Univ Utah, Sch Med, Dept Populat Hlth Sci, Salt Lake City, UT 84112 USA
[4] Univ Utah, Huntsman Canc Inst, Salt Lake City, UT 84112 USA
[5] Univ Utah, Coll Social & Behav Sci, Dept Family & Consumer Studies, Salt Lake City, UT 84112 USA
[6] Univ Utah, Coll Social & Behav Sci, Dept Sociol, Salt Lake City, UT 84112 USA
[7] Johns Hopkins Sch Nursing, Ctr Equ Aging, Baltimore, MD USA