1. Washington University in St. Louis, Mallinckrodt Institute of Radiology, St. Louis, Missouri
2. University of California San Francisco, Department of Radiation Oncology, San Francisco, California
3. GE Healthcare, Waukesha, Wisconsin
4. University of Washington Seattle, Seattle, Washington
5. University of Iowa, Carver College of Medicine, Department of Radiology, Iowa City, Iowa
6. University of California San Francisco, Department of Radiology and Biomedical Imaging, San Francisc