[1] Univ Nebraska Med Ctr, Coll Nursing, Omaha, NE 68198 USA
[2] Texas Hlth Sci Ctr Houston, Sch Nursing, Houston, TX USA
[3] Univ Texas MD Anderson Canc Ctr, Dept Symptom Res, Houston, TX 77030 USA
[4] Univ Texas MD Anderson Canc Ctr, Dept Stem Cell Transplantat & Cellular Therapy, Houston, TX 77030 USA
[5] Mem Sloan Kettering Canc Ctr, New York, NY 10021 USA