[1] Dana Farber Canc Inst, Dept Psychosocial Oncol & Palliat Care, 450 Brookline Ave, Boston, MA 02215 USA
[2] Dana Farber Canc Inst, Dept Pediat Oncol, Boston, MA 02115 USA
[3] Boston Childrens Hosp, Dept Pediat, Boston, MA USA
[4] Boston Childrens Hosp, Dept Psychiat, Boston, MA USA
[5] Brigham & Womens Hosp, Dept Psychiat, 75 Francis St, Boston, MA 02115 USA
[6] Seattle Childrens Res Inst, Ctr Clin & Translat Res, Seattle, WA USA
[7] Univ Washington, Sch Med, Dept Pediat, Seattle, WA 98195 USA
[8] St Jude Childrens Res Hosp, Div Qual Life & Palliat Care, 332 N Lauderdale St, Memphis, TN 38105 USA