[1] Dana Farber Canc Inst, Dept Psychosocial Oncol & Palliat Care, Boston, MA USA
[2] Boston Childrens Hosp, Dept Pediat, Boston, MA USA
[3] St Jude Childrens Res Hosp, Div Qual Life & Palliat Care, Dept Oncol, Memphis, TN USA
[4] Boston Childrens Hosp, Dept Psychiat, Boston, MA USA
[5] Brigham & Womens Hosp, Dept Psychiat, Boston, MA USA
[6] Dana Farber Boston Childrens Canc & Blood Disorde, Boston, MA USA
[7] Harvard Med Sch, Boston, MA USA