M. F. Ilowite,H. Al-Sayegh,C. Ma,V. Dussel,A. R. Rosenberg,C. Feudtner,T. I. Kang,J. Wolfe and K. Bona. The relationship between household income and patient-reported symptom distress and quality of life in children with advanced cancer: A report from the PediQUEST study. Cancer. 2018;124(19):10.1002/cncr.31668.