[1] Dana Farber Canc Inst, Dept Pediat Oncol, Boston, MA USA
[2] Dana Farber Canc Inst, Div Populat Sci, Ctr Outcomes & Policy Res, Boston, MA 02115 USA
[3] Boston Childrens Hosp, Div Pediat Hematol Oncol, Boston, MA USA
[4] Roswell Park Canc Inst Buffalo, New York, NY USA
[5] Univ Penn, Childrens Hosp Philadelphia, Dept Pediat, Div Oncol, Philadelphia, PA 19104 USA
[6] Univ Penn, Perelman Sch Med, Philadelphia, PA USA
[7] Univ Washington, Sch Med, Dept Pediat Hematol Oncol, Seattle, WA USA
[8] Univ Washington, Sch Med, Pediat Bioeth Palliat Care, Seattle, WA USA
[9] Seattle Childrens Res Inst, Ctr Clin & Translat Res, Seattle, WA USA
[10] Childrens Hosp Los Angeles, Childrens Ctr Canc & Blood Dis, Los Angeles, CA 90027 USA
[11] Cook Childrens Hosp, Hematol & Oncol Ctr, Ft Worth, TX USA
[12] Mem Sloan Kettering Canc Ctr, Dept Pediat Oncol, 1275 York Ave, New York, NY 10021 USA
[13] St Jude Childrens Res Hosp, Div Qual Life & Palliat Care, 332 N Lauderdale St, Memphis, TN 38105 USA
[14] Univ Chicago, Comer Childrens Hosp, Dept Pediat, Chicago, IL USA