1Medical Physics, University of Wisconsin-Madison, Madison, WI, United States, 2Carbone Cancer Center, University of Wisconsin-Madison, Madison, WI, United States, 3Radiology, University of Wisconsin-Madison, Madison, WI, United States, 4Morgridge Institute for Research, Madison, WI, United States, 5Laboratory for Optical and Computational Instrumentation, University of Wisconsin-Madison, Madison, WI, United States, 6Human Oncology, University of Wisconsin-Madison, Madison, WI, United States, 7Biomedical Engineering, University of Wisconsin-Madison, Madison, WI, United States