[1] Dana Farber Canc Inst, Dept Psychosocial Oncol & Palliat Care, Boston, MA 02215 USA
[2] Boston Childrens Hosp, Dept Pediat, Boston, MA USA
[3] Boston Childrens Hosp, Dept Psychiat, Boston, MA USA
[4] Brigham & Womens Hosp, 75 Francis St, Boston, MA 02115 USA
[5] Harvard Med Sch, Boston, MA 02115 USA