1 Joseph A. Sparano, MD, Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, NY; Michael R. Crager, PhD, Exact Sciences, Redwood City, CA; Gong Tang, PhD, University of Pittsburgh, NRG Oncology Statistical and Data Management Center, Pittsburgh, PA; Robert J. Gray, PhD, Dana Farber Cancer Institute, ECOG-ACRIN Statistical Center, Boston, MA; Salomon M. Stemmer, MD, Davidoff Center, Rabin Medical Center, Petah Tikva, Israel, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel; and Steven Shak, MD, Exact Sciences, Redwood City, CA.