[1] Emma Childrens Hosp, Acad Med Ctr, Psychosocial Dept, Amsterdam, Netherlands
[2] Princess Maxima Ctr Pediat Oncol, Utrecht, Netherlands
[3] Radboud Univ Nijmegen, Med Ctr, Amalia Childrens Hosp, Dept Med Psychol, Nijmegen, Netherlands
[4] Radboud Univ Nijmegen, Med Ctr, Sci Inst Qual, Nijmegen, Netherlands
[5] Emma Childrens Hosp, Acad Med Ctr, Dept Pediat Oncol, Amsterdam, Netherlands
[6] Vrije Univ Amsterdam, Med Ctr, Div Oncol, Dept Pediat, Amsterdam, Netherlands