[1] Dana Farber Canc Inst, Phyllis F Cantor Ctr Res Nursing & Patient Care S, Boston, MA 02115 USA
[2] Univ Calif San Francisco, Sch Nursing, San Francisco, CA 94143 USA
[3] Univ Calif San Francisco, Sch Med, San Francisco, CA 94143 USA
[4] Univ Pittsburgh, Sch Nursing, Pittsburgh, PA 15260 USA
[5] Mt Sinai Med Ctr, New York, NY 10029 USA
[6] NYU, Rory Myers Coll Nursing, New York, NY USA