[1] Univ Washington, Inst Hlth Metr & Evaluat, Seattle, WA 98195 USA
[2] Boston Univ, Sch Publ Hlth, Dept Global Hlth, Boston, MA USA
[3] St Jude Childrens Res Hosp, Dept Global Pediat Med, 332 N Lauderdale St, Memphis, TN 38105 USA
[4] St Jude Childrens Res Hosp, Global Pediat Med, 332 N Lauderdale St, Memphis, TN 38105 USA
[5] Ohio State Univ, Coll Med, Nationwide Childrens Hosp Neurooncol Program, Columbus, OH 43210 USA
[6] Ohio State Univ, Coll Med, Dept Pediat & Radiat Oncol, Columbus, OH 43210 USA
[7] Univ Washington, Dept Metr Sci, Inst Hlth Metr & Evaluat, Seattle, WA 98195 USA
[8] Univ Washington, Dept Pediat, Div Pediat Hematol Oncol, Seattle, WA 98195 USA