Venook AP, Arcila ME, Benson AB, Berry DA, Camidge DR, Carlson RW, Choueiri TK, Guild V, Kalemkerian GP, Kurzrock R, Lovly CM, McKee AE, Morgan RJ, Olszanski AJ, Redman MW, Stearns V, McClure J, Birkeland ML. NCCN Working Group report: designing clinical trials in the era of multiple biomarkers and targeted therapies. J Natl Compr Canc Netw. 2014 Nov; 12(11):1629-49.