Affiliation: | ∗ University of California—San Francisco, CA;† Department of Statistics, Radiation Therapy Oncology Group, Philadelphia, PA;‡ Medical College of Wisconsin;§ University of Calgary;¶ Indiana University, Indianapolis, IN;‖ Fox Chase Cancer Center, Health Science;∗∗ McGill University;†† New York University School of Medicine, New York, NY;‡‡ London Regional Cancer Program and University of Western Ontario;§§ Cedar-Sinai, Los Angeles, CA |