[1] Oregon Hlth & Sci Univ, Dept Pediat Hematol Oncol, CDRCP, Portland, OR 97239 USA
[2] Univ Texas MD Anderson Canc Ctr, Dept Pediat, Houston, TX 77030 USA
[3] Prevent Med & Biometry Colorado Hlth Sci Ctr, Colorado Hlth Outcomes Program, Denver, CO USA
[4] St Jude Childrens Res Hosp, Dept Behav Med, Memphis, TN 38105 USA
[5] Childrens Hosp Los Angeles, Dept Pediat & Psychol, Los Angeles, CA 90027 USA
[6] Childrens Hosp Philadelphia, Dept Oncol, Philadelphia, PA USA
[7] Childrens Hosp Pittsburgh, Dept Pediat, Pittsburgh, PA USA
[8] Childrens Hosp Pittsburgh, Dept Psychiat, Pittsburgh, PA USA
[9] Childrens Hosp Pittsburgh, Dept Psychol, Pittsburgh, PA USA
[10] City Hope Natl Med Ctr, Div Populat Sci, Duarte, CA 91010 USA
[11] City Hope Natl Med Ctr, Div Pediat, Duarte, CA 91010 USA
[12] Univ Rochester, Med Ctr, Dept Pediat, Rochester, NY 14642 USA