University of Washington, Seattle, Washington evanyu@uw.edu. Department of Biostatistics and Center for Statistical Sciences, Brown University School of Public Health, Providence, Rhode Island. University of Washington, Seattle, Washington. Duke University, Durham, North Carolina. Oregon Health & Science University, Portland, Oregon. Dana-Farber Cancer Institute, Boston, Massachusetts. University of Pennsylvania, Philadelphia, Pennsylvania. American College of Radiology Imaging Network (ACRIN), Philadelphia, Pennsylvania; and. University of California San Francisco, San Francisco, California.