[1] Penn Presbyterian Med Ctr, Abramson Canc Ctr, Philadelphia, PA USA
[2] Clin Pract Univ, Philadelphia, PA USA
[3] Hosp Univ Penn, Abramson Canc Ctr, Philadelphia, PA USA
[4] Univ Penn, Sch Nursing, Philadelphia, PA USA
[5] Univ Arizona, Coll Nursing, Tucson, AZ USA
[6] Penn Presbyterian Med Ctr, Abramson Canc Ctr, 51 N 39 St, Philadelphia, PA 19104 USA