1. Department of Radiology, University of Alabama at Birmingham, Birmingham, Alabama 35294, United States
2. Department of Surgery, University of Alabama at Birmingham, Birmingham, Alabama 35294, United States
3. Department of Cancer Biology, Mayo Clinic Jacksonville, Jacksonville, Florida 32224, United States
4. Division of Hematology, Mayo Clinic Rochester, Rochester, Minnesota 55905, United States
5. Trophogen, Inc., Rockville, Maryland 20850, United States