Affiliation: | ∗ University of Michigan, Ann Arbor, Michigan † Radiation Therapy Oncology Group, Philadelphia, Pennsylvania ‡ UCLA Medical Center, Los Angeles, California ¶ Fox Chase Cancer Center, Philadelphia, Pennsylvania § Indiana University-Purdue University Indianapolis, Indiana ∗∗ Cross Cancer Institute, Edmonton, Alberta, Canada †† UCSF, San Francisco, California ‡‡ Medical College of Wisconsin, Milwaukee, Wisconsin ¶¶ Intermountain Medical Center, Salt Lake City, Utah §§ Cedars-Sinai Medical Center, Los Angeles, California |