[1] Dana Farber Canc Inst, Psychosocial Oncol & Palliat Care, Boston, MA 02115 USA
[2] Yale New Haven Childrens Hosp, Pediat Intens Care Unit, New Haven, CT USA
[3] Childrens Natl Hosp, Dept Nursing Sci, Profess Practice & Qual, Washington, DC USA
[4] Childrens Natl Hosp, Nursing Res, Washington, DC USA
[5] George Washington Univ, Sch Med & Hlth Sci, Pediat, Washington, DC 20052 USA
[6] Univ Penn, Sch Social Policy & Practice, Philadelphia, PA 19104 USA
[7] NCI, Bethesda, MD 20892 USA
[8] Childrens Hosp Philadelphia, Pediat Nursing, Res Inst, Philadelphia, PA 19104 USA
[9] Univ Penn, Perelman Sch Med, Sch Nursing & Anesthesia & Crit Care Med, Philadelphia, PA 19104 USA