1. University of Texas at Austin, Department of Diagnostics, Austin, Texas
2. Vanderbilt University, Department of Biostatistics, Nashville, Tennessee
3. Vanderbilt University Medical Center, Department of Radiology and Radiological Sciences, Nashville,
4. Vanderbilt University, Center for Quantitative Sciences, Nashville, Tennessee
5. University of Texas at Austin, Institute for Computational and Engineering Sciences, Austin, Texas
6. Austin Radiological Association, Austin, Texas
7. Texas Oncology, Austin, Texas
8. Seton Hospital, Austin, Texas