1. University of Kentucky College of Engineering, Department of Biomedical Engineering, 143 Graham Avenue, Lexington, Kentucky 40506, United States
2. University of Kentucky College of Medicine, Department of Radiation Medicine, 800 Rose Street, Lexington, Kentucky 40536, United States
3. University of Kentucky, Biostatistics and Bioinformatics Shared Resource Facility, Markey Cancer Center, Lexington, 800 Rose Street, Kentucky 40536, United StatesdUniversity of Kentucky College of Public Health, Department of Biostatistics, Lexington, 111 Washington Avenue, Kentucky 40536, United States
4. University of Kentucky College of Medicine, Department of Radiology, 800 Rose Street, Lexington, Kentucky 40536, United States