Machtay M, Torres-Saavedra PA, Thorstad W, Nguyen-Tân PF, Siu LL, Holsinger FC, El-Naggar A, Chung C, Cmelak A, Burtness B, Bednarz G, Quon H, Breen SL, Gwede CK, Dicker AP, Yao M, Jordan RC, Dorth J, Lee N, Chan JW, Dunlap N, Bar-Ad V, Stokes WA, Chakravarti A, Sher D, Rao S, Harris J, Yom SS, Le QT, NRG Oncology RTOG 0920 Collaborating Team, TransSCOT Consortium