1. From Massachusetts General Hospital and Harvard Medical School (S.R.P., V.L.M.) and the Dana–Farber Cancer Institute (G.F., L.T.) — all in Boston; the NYU Grossman School of Medicine (K.H.Y.) and the Children’s Tumor Foundation (A.B.) — both in New York; the University of California, Los Angeles, Los Angeles (P.L.N.); the University of Miami Miller School of Medicine, Sylvester Comprehensive Cancer Center, Miami (C.T.D.); the Mayo Clinic, Rochester, MN (D.B.-V.); and Johns Hopkins University,...