[1] Univ Amsterdam, Amsterdam UMC Locat, Dept Med Psychol, Amsterdam, Netherlands
[2] Canc Ctr Amsterdam, Amsterdam, Netherlands
[3] Nationwide Childrens Hosp, Abigail Wexner Res Inst, Ctr Biobehav Hlth, Columbus, OH USA
[4] Ohio State Univ, Dept Pediat, Columbus, OH 43210 USA
[5] Ohio State Univ, Dept Psychol, Columbus, OH USA
[6] Univ Hosp Bonn, Dept Pediat Hematol & Oncol, Bonn, Germany
[7] Univ Med Ctr Mainz, German Childhood Canc Registry GCCR, Inst Med Biostat Epidemiol & Informat IMBEI, Mainz, Germany
[8] Univ Groningen, Univ Med Ctr Groningen, Dept Hlth Psychol, Groningen, Netherlands