Gupta, S. , Howard, S. , Hunger, S. , Antillon, F. , Metzger, M. , et. al. .“Treating Childhood Cancers in Low- and Middle-Income Countries”. In: Disease Control Priorities (third edition): Volume 3, Cancer, edited by H. Gelband , P. Jha , R. Sankaranarayanan , S. Horton . Washington, DC: World Bank.